DE405 Lunar Ephemeris Calculator
Based on the 600-year NASA/JPL DE405 Ephemeris Model
Spanning the Period From 1600 to 2200 on the Modern Gregorian Calendar
Calendar Date
Year / Month / Day
Time
hh:mm:ss
Date/Time Mode
LT | UT | TT
Local Time Zone Offset From UT
±hh:mm (Neg/Pos = West/East)
Local Time (
LT
) =
UT
Default Location:
America/New_York
- Your Local Latitude, Lonitude and Time Zone May be Different
Geographic Location Used For Local Topocentric Computations
241.4837 deg
Latitude
Deg.ddd or DMS (Neg=S)
Longitude
Deg.ddd or DMS (Neg=W)
Sea-Level Elevation
meters
QUICK DE405 LUNAR EPHEMERIS STATISTICS ---------------------------- DATE/TIME/MODE/ZONE/LOCATION Date = 2021 Jul 28 Wed Time = 20:22:43 LT Time Zone = UT-04:00 Delta T = +00:01:12 Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m JD TT = 2459424.51660880 = Working Julian Date on TT scale Phase Angle = 241.4837 deg Visual Phase = Waning gibbous moon Horizon Altitude = -31.567° BELOW local horizon - Ascending in ENE Direction Azimuth = 58.753° = ENE (N=0, E=90, S=180, W=270) ====================================================================== TIME LT LOCAL BASIC EVENTS SCHEDULE FOR DATE -------- ------------------------------------ 05:56 Sunrise 10:44 Moonset 20:31 Sunset 23:21 Moonrise - Waning gibbous moon ====================================================================== GEOCENTRIC LUNAR COORDINATES AND DISTANCE Right Ascension = 00h 35m 01.687s = 0.5838019 h = 8.7570285° Declination = -01° 06' 07.00" = -1.101945° Distance = 244396.023 mi = 393317.273 km Angular Diameter = 30' 22.99" = 30.38315' = 1822.99" = 0.5063858° Eq. Horiz. Parallax = 55' 44.99" = 0.9291640° = 55.74984' = 3344.99" Local Hour Angle = +15h 09m 07.40s = +15.1520564 h = +227.2808460° ----------------------------- TOPOCENTRIC LUNAR COORDINATES Right Ascension = 00h 37m 01.367s = 0.6170464 h = 9.2556960° Declination = -01° 42' 51.44" = -1.714288° Radial Velocity = +198.99 km/h = +123.65 mi/h = Receding from Earth Orbital Velocity = 3589.87 km/h = 2230.64 mi/h JULY 2021 - Lunar Quarter Phases, Apogees and Perigees For Time Zone UT-04:00 Applied NASA Delta T = +00:01:12 Date and Time LT Lunar Event --------------------- ----------------------------------- 2021 Jul 01 Thu 17:11 Last Quarter Moon = Phase 270 2021 Jul 05 Mon 10:46 Apogee 251867.32 mi = 405341.15 km 2021 Jul 09 Fri 21:17 New Moon = Phase 0/360 2021 Jul 17 Sat 06:11 First Quarter Moon = Phase 90 2021 Jul 21 Wed 06:25 Perigee 226502.54 mi = 364520.50 km 2021 Jul 23 Fri 22:37 Full Moon = Phase 180 2021 Jul 31 Sat 09:16 Last Quarter Moon = Phase 270 There are two last quarter moons in July of 2021 LT.
EXTENDED DE405 LUNAR EPHEMERIS STATISTICS AND HOURLY TABLES Time Mode = LT Time Zone = UT-04:00 ---------------------------------------------------------- CALENDAR DATE TIME JULIAN DATE JD NUMBER --------------- ----------- ---------------- ----------- 2021 Jul 28 Wed 20:22:43 LT 2459424.34910880 2459424 LT -04:00:00 TZ -0.16666667 2021 Jul 29 Thu 00:22:43 UT 2459424.51577547 2459425 UT +00:01:12 dT +0.00083333 2021 Jul 29 Thu 00:23:55 TT 2459424.51660880 2459425 TT JD TT = 2459424.51660880 = Working Julian Date on TT scale Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m ----------- EARTH GEOID ρ × sin(φ') = +0.6743577407 ρ × cos(φ') = +0.7363265249 ---------------------- APPARENT SIDEREAL TIME Greenwich 20h 51m 26.61s = 20.8573924 h = 312.8608853 deg Local 15h 44m 09.09s = 15.7358583 h = 236.0378742 deg ================================================================= LUNAR POSITION, DISTANCE, PHASE AND LOCAL SUN/MOON RISE/SET TIMES Date = 2021 Jul 28 Wed Time = 20:22:43 LT Time Zone = UT-04:00 Delta T = +00:01:12 JD TT = 2459424.51660880 GEOGRAPHIC LOCATION Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m GEOCENTRIC LUNAR COORDINATES Right Ascension = 00h 35m 01.687s = 0.5838019 h = 8.7570285° Declination = -01° 06' 07.00" = -1.101945° Distance = 244396.023 mi = 393317.273 km Phase Angle = 241.48365° Visual Phase = Waning gibbous moon Angular Diameter = 30' 22.99" = 30.38315' = 1822.99" = 0.5063858° Eq. Horiz. Parallax = 55' 44.99" = 0.9291640° = 55.74984' = 3344.99" Radial Velocity = +198.99 km/h = +123.65 mi/h = Receding from Earth Orbital Velocity = 3589.87 km/h = 2230.64 mi/h TOPOCENTRIC LUNAR COORDINATES Right Ascension = 00h 37m 01.367s = 0.6170464 h = 9.2556960° Declination = -01° 42' 51.44" = -1.714288° Horizon Altitude = -31.567° BELOW local horizon - Ascending in ENE Direction Azimuth = 58.753° = ENE (N=0, E=90, S=180, W=270) Local Hour Angle = +15h 09m 07.40s = +15.1520564 h = +227.2808460° Light Time = 1.2849 sec = 1-way surface-to-surface = 2.5699 sec = 2-way surface-to-surface -------- ------------------------------------------------ TIME LT LOCAL EVENTS SCHEDULE FOR DATE 05:56 Sunrise 10:44 Moonset 20:31 Sunset 23:21 Moonrise - Waning gibbous moon ----------------------------------------------------------------- HOURLY GEOCENTRIC LUNAR COORDINATES, DISTANCE AND PHASE EPHEMERIS DATE = 2021 Jul 28 Wed LT TZ = UT-04:00 = Time Zone Offset From UT (Neg/Pos = West/East) dT = +00:01:12 = NASA Delta T estimate Table Origin for 00:00:00 LT of date = 2459423.66750000 TT LT hh RA Hrs Decl Deg Dist Km Dist Mi Phase Deg -- ---------- ---------- ---------- ---------- --------- -3 23.8368872 -6.404294 388390.763 241334.831 230.0101 -2 23.8694862 -6.178167 388610.519 241471.382 230.5082 -1 23.9020180 -5.951864 388829.664 241607.552 231.0056 00 23.9344838 -5.725402 389048.170 241743.325 231.5023 01 23.9668850 -5.498797 389266.007 241878.683 231.9983 02 23.9992227 -5.272068 389483.149 242013.609 232.4937 03 0.0314984 -5.045229 389699.567 242148.085 232.9884 04 0.0637132 -4.818298 389915.233 242282.093 233.4825 05 0.0958684 -4.591291 390130.120 242415.618 233.9759 06 0.1279654 -4.364224 390344.201 242548.642 234.4686 07 0.1600054 -4.137113 390557.448 242681.147 234.9607 08 0.1919895 -3.909973 390769.835 242813.118 235.4522 09 0.2239193 -3.682821 390981.335 242944.538 235.9430 10 0.2557960 -3.455671 391191.921 243075.390 236.4332 11 0.2876206 -3.228539 391401.567 243205.658 236.9227 12 0.3193948 -3.001440 391610.247 243335.326 237.4117 13 0.3511195 -2.774388 391817.936 243464.378 237.8999 14 0.3827962 -2.547399 392024.606 243592.797 238.3876 15 0.4144261 -2.320488 392230.233 243720.568 238.8746 16 0.4460105 -2.093667 392434.792 243847.675 239.3610 17 0.4775506 -1.866953 392638.257 243974.102 239.8468 18 0.5090477 -1.640359 392840.604 244099.834 240.3320 19 0.5405032 -1.413899 393041.809 244224.857 240.8166 20 0.5719181 -1.187587 393241.846 244349.155 241.3006 21 0.6032939 -0.961437 393440.692 244472.712 241.7839 22 0.6346317 -0.735462 393638.324 244595.515 242.2667 23 0.6659328 -0.509677 393834.716 244717.547 242.7489 24 0.6971986 -0.284094 394029.847 244838.796 243.2305 25 0.7284302 -0.058726 394223.692 244959.246 243.7115 26 0.7596287 +0.166412 394416.230 245078.883 244.1920 27 0.7907957 +0.391310 394607.437 245197.694 244.6719 28 0.8219322 +0.615952 394797.291 245315.663 245.1512 -------- ------------------------------------------------- TIME LT BASIC EVENTS SCHEDULE FOR DATE AND LOCATION 05:56 Sunrise 10:44 Moonset 20:31 Sunset 23:21 Moonrise - Waning gibbous moon ====================================================================== HOURLY GEOCENTRIC LUNAR DISTANCE, RADIAL VELOCITY AND ORBITAL VELOCITY TABLE INCLUDING ANY APOGEE OR PERIGEE EVENT ON DATE. DATE = 2021 Jul 28 Wed TIME = UT-04:00 dT = +00:01:12 = NASA Delta T estimate For Radial Velocity: Neg/Pos = Approaching/Receding == ======================= =================== ==================== LT GEOCENTRIC DISTANCE RADIAL VELOCITY ORBITAL VELOCITY hh km mi km/h mi/h km/h mi/h -- ---------- ---------- -------- -------- -------- -------- -2 388610.519 241471.382 +219.455 +136.363 3640.316 2261.987 -1 388829.664 241607.552 +218.829 +135.975 3637.953 2260.519 00 389048.170 241743.325 +218.175 +135.567 3635.591 2259.052 01 389266.007 241878.683 +217.493 +135.144 3633.252 2257.598 02 389483.149 242013.609 +216.783 +134.703 3630.921 2256.150 03 389699.567 242148.085 +216.045 +134.244 3628.585 2254.698 04 389915.233 242282.093 +215.280 +133.769 3626.275 2253.263 05 390130.120 242415.618 +214.488 +133.276 3623.960 2251.824 06 390344.201 242548.642 +213.667 +132.767 3621.664 2250.398 07 390557.448 242681.147 +212.821 +132.241 3619.374 2248.975 08 390769.835 242813.118 +211.947 +131.697 3617.102 2247.563 09 390981.335 242944.538 +211.046 +131.138 3614.822 2246.146 10 391191.921 243075.390 +210.119 +130.562 3612.571 2244.748 11 391401.567 243205.658 +209.167 +129.971 3610.331 2243.356 12 391610.247 243335.326 +208.187 +129.361 3608.084 2241.959 13 391817.936 243464.378 +207.182 +128.737 3605.871 2240.585 14 392024.606 243592.797 +206.153 +128.097 3603.663 2239.213 15 392230.233 243720.568 +205.095 +127.441 3601.454 2237.840 16 392434.792 243847.675 +204.016 +126.769 3599.276 2236.487 17 392638.257 243974.102 +202.909 +126.082 3597.107 2235.138 18 392840.604 244099.834 +201.779 +125.380 3594.941 2233.793 19 393041.809 244224.857 +200.624 +124.662 3592.799 2232.462 20 393241.846 244349.155 +199.445 +123.929 3590.670 2231.139 21 393440.692 244472.712 +198.241 +123.181 3588.550 2229.821 22 393638.324 244595.515 +197.015 +122.420 3586.459 2228.522 23 393834.716 244717.547 +195.765 +121.643 3584.366 2227.222 24 394029.847 244838.796 +194.490 +120.850 3582.285 2225.929 25 394223.692 244959.246 +193.195 +120.046 3580.243 2224.660 26 394416.230 245078.883 +191.875 +119.225 3578.192 2223.385 27 394607.437 245197.694 +190.533 +118.392 3576.164 2222.125 -------- -----------------------------------------------------------
DE405 Lunar Ephemeris Calculator - v2.94 - A PHP Astronomy Program by Jay Tanner
Revised:
2021 June 21 at 06:54:17 AM Monday