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
296.9677 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 = 2025 Sep 16 Tue Time = 09:03:39 LT Time Zone = UT-04:00 Delta T = +00:01:15 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 = 2460935.04506945 = Working Julian Date on TT scale Phase Angle = 296.9677 deg Visual Phase = Waning crescent moon Horizon Altitude = +73.201° ABOVE local horizon - Descending in S Direction Azimuth = 185.658° = S (N=0, E=90, S=180, W=270) ====================================================================== TIME LT LOCAL BASIC EVENTS SCHEDULE FOR DATE -------- ------------------------------------ 00:45 Moonrise - Waning crescent moon 06:49 Sunrise 16:56 Moonset 19:14 Sunset ====================================================================== GEOCENTRIC LUNAR COORDINATES AND DISTANCE Right Ascension = 07h 33m 23.073s = 7.5564092 h = 113.346138° Declination = +26° 13' 04.76" = +26.217990° Distance = 235618.811 mi = 379191.719 km Angular Diameter = 31' 30.90" = 31.51496' = 1890.90" = 0.5252493° Eq. Horiz. Parallax = 57' 49.61" = 0.9637800° = 57.82680' = 3469.61" Local Hour Angle = +00h 07m 09.77s = +0.1193792 h = +1.7906880° ----------------------------- TOPOCENTRIC LUNAR COORDINATES Right Ascension = 07h 33m 17.058s = 7.5547383 h = 113.3210745° Declination = +25° 56' 37.98" = +25.943882° Radial Velocity = +144.87 km/h = +90.02 mi/h = Receding from Earth Orbital Velocity = 3724.83 km/h = 2314.50 mi/h SEPTEMBER 2025 - Lunar Quarter Phases, Apogees and Perigees For Time Zone UT-04:00 Applied NASA Delta T = +00:01:15 Date and Time LT Lunar Event --------------------- ----------------------------------- 2025 Sep 07 Sun 14:09 Full Moon = Phase 180 2025 Sep 10 Wed 08:09 Perigee 226662.15 mi = 364777.37 km 2025 Sep 14 Sun 06:33 Last Quarter Moon = Phase 270 2025 Sep 21 Sun 15:54 New Moon = Phase 0/360 2025 Sep 26 Fri 05:46 Apogee 251995.57 mi = 405547.57 km 2025 Sep 29 Mon 19:54 First Quarter Moon = Phase 90
EXTENDED DE405 LUNAR EPHEMERIS STATISTICS AND HOURLY TABLES Time Mode = LT Time Zone = UT-04:00 ---------------------------------------------------------- CALENDAR DATE TIME JULIAN DATE JD NUMBER --------------- ----------- ---------------- ----------- 2025 Sep 16 Tue 09:03:39 LT 2460934.87753472 2460935 LT -04:00:00 TZ -0.16666667 2025 Sep 16 Tue 13:03:39 UT 2460935.04420139 2460935 UT +00:01:15 dT +0.00086806 2025 Sep 16 Tue 13:04:54 TT 2460935.04506945 2460935 TT JD TT = 2460935.04506945 = 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 12h 47m 50.36s = 12.7973225 h = 191.9598373 deg Local 07h 40m 32.84s = 7.6757884 h = 115.1368262 deg ================================================================= LUNAR POSITION, DISTANCE, PHASE AND LOCAL SUN/MOON RISE/SET TIMES Date = 2025 Sep 16 Tue Time = 09:03:39 LT Time Zone = UT-04:00 Delta T = +00:01:15 JD TT = 2460935.04506945 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 = 07h 33m 23.073s = 7.5564092 h = 113.346138° Declination = +26° 13' 04.76" = +26.217990° Distance = 235618.811 mi = 379191.719 km Phase Angle = 296.96768° Visual Phase = Waning crescent moon Angular Diameter = 31' 30.90" = 31.51496' = 1890.90" = 0.5252493° Eq. Horiz. Parallax = 57' 49.61" = 0.9637800° = 57.82680' = 3469.61" Radial Velocity = +144.87 km/h = +90.02 mi/h = Receding from Earth Orbital Velocity = 3724.83 km/h = 2314.50 mi/h TOPOCENTRIC LUNAR COORDINATES Right Ascension = 07h 33m 17.058s = 7.5547383 h = 113.3210745° Declination = +25° 56' 37.98" = +25.943882° Horizon Altitude = +73.201° ABOVE local horizon - Descending in S Direction Azimuth = 185.658° = S (N=0, E=90, S=180, W=270) Local Hour Angle = +00h 07m 09.77s = +0.1193792 h = +1.7906880° Light Time = 1.2378 sec = 1-way surface-to-surface = 2.4756 sec = 2-way surface-to-surface -------- ------------------------------------------------ TIME LT LOCAL EVENTS SCHEDULE FOR DATE 00:45 Moonrise - Waning crescent moon 06:49 Sunrise 16:56 Moonset 19:14 Sunset ----------------------------------------------------------------- HOURLY GEOCENTRIC LUNAR COORDINATES, DISTANCE AND PHASE EPHEMERIS DATE = 2025 Sep 16 Tue LT TZ = UT-04:00 = Time Zone Offset From UT (Neg/Pos = West/East) dT = +00:01:15 = NASA Delta T estimate Table Origin for 00:00:00 LT of date = 2460934.66753473 TT LT hh RA Hrs Decl Deg Dist Km Dist Mi Phase Deg -- ---------- ---------- ---------- ---------- --------- -3 7.0555656 +27.430853 377452.625 234538.188 290.6306 -2 7.0976493 +27.345202 377596.068 234627.319 291.1584 -1 7.1396372 +27.256782 377739.668 234716.548 291.6859 00 7.1815275 +27.165614 377883.419 234805.871 292.2129 01 7.2233190 +27.071719 378027.314 234895.283 292.7394 02 7.2650101 +26.975119 378171.347 234984.781 293.2655 03 7.3065992 +26.875836 378315.510 235074.359 293.7912 04 7.3480851 +26.773893 378459.799 235164.017 294.3164 05 7.3894665 +26.669311 378604.207 235253.747 294.8412 06 7.4307420 +26.562114 378748.727 235343.548 295.3655 07 7.4719105 +26.452324 378893.354 235433.415 295.8894 08 7.5129708 +26.339966 379038.082 235523.345 296.4129 09 7.5539215 +26.225062 379182.906 235613.334 296.9359 10 7.5947620 +26.107636 379327.820 235703.380 297.4585 11 7.6354911 +25.987713 379472.819 235793.478 297.9806 12 7.6761078 +25.865316 379617.898 235883.626 298.5023 13 7.7166114 +25.740470 379763.052 235973.820 299.0236 14 7.7570009 +25.613199 379908.276 236064.058 299.5444 15 7.7972755 +25.483529 380053.564 236154.336 300.0648 16 7.8374345 +25.351483 380198.914 236244.652 300.5847 17 7.8774773 +25.217087 380344.319 236335.003 301.1042 18 7.9174031 +25.080366 380489.776 236425.386 301.6233 19 7.9572114 +24.941345 380635.280 236515.798 302.1420 20 7.9969017 +24.800049 380780.828 236606.237 302.6602 21 8.0364733 +24.656504 380926.414 236696.700 303.1780 22 8.0759261 +24.510736 381072.035 236787.185 303.6953 23 8.1152595 +24.362769 381217.688 236877.689 304.2122 24 8.1544731 +24.212629 381363.368 236968.211 304.7287 25 8.1935669 +24.060343 381509.072 237058.747 305.2448 26 8.2325405 +23.905935 381654.796 237149.296 305.7604 27 8.2713935 +23.749433 381800.537 237239.855 306.2756 28 8.3101261 +23.590861 381946.291 237330.422 306.7903 -------- ------------------------------------------------- TIME LT BASIC EVENTS SCHEDULE FOR DATE AND LOCATION 00:45 Moonrise - Waning crescent moon 06:49 Sunrise 16:56 Moonset 19:14 Sunset ====================================================================== HOURLY GEOCENTRIC LUNAR DISTANCE, RADIAL VELOCITY AND ORBITAL VELOCITY TABLE INCLUDING ANY APOGEE OR PERIGEE EVENT ON DATE. DATE = 2025 Sep 16 Tue TIME = UT-04:00 dT = +00:01:15 = 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 377596.068 234627.319 +143.521 +89.180 3738.138 2322.771 -1 377739.668 234716.548 +143.677 +89.277 3736.922 2322.016 00 377883.419 234805.871 +143.824 +89.368 3735.714 2321.265 01 378027.314 234895.283 +143.964 +89.455 3734.493 2320.506 02 378171.347 234984.781 +144.100 +89.539 3733.288 2319.758 03 378315.510 235074.359 +144.227 +89.619 3732.079 2319.006 04 378459.799 235164.017 +144.348 +89.694 3730.869 2318.254 05 378604.207 235253.747 +144.465 +89.766 3729.686 2317.520 06 378748.727 235343.548 +144.575 +89.835 3728.477 2316.768 07 378893.354 235433.415 +144.678 +89.899 3727.288 2316.029 08 379038.082 235523.345 +144.777 +89.960 3726.095 2315.288 09 379182.906 235613.334 +144.869 +90.017 3724.905 2314.549 10 379327.820 235703.380 +144.957 +90.072 3723.712 2313.807 11 379472.819 235793.478 +145.040 +90.124 3722.544 2313.082 12 379617.898 235883.626 +145.117 +90.172 3721.365 2312.349 13 379763.052 235973.820 +145.189 +90.216 3720.179 2311.612 14 379908.276 236064.058 +145.257 +90.258 3719.020 2310.892 15 380053.564 236154.336 +145.320 +90.298 3717.847 2310.163 16 380198.914 236244.652 +145.378 +90.334 3716.676 2309.435 17 380344.319 236335.003 +145.431 +90.366 3715.521 2308.718 18 380489.776 236425.386 +145.482 +90.399 3714.365 2308.000 19 380635.280 236515.798 +145.526 +90.425 3713.195 2307.273 20 380780.828 236606.237 +145.567 +90.451 3712.050 2306.561 21 380926.414 236696.700 +145.605 +90.475 3710.884 2305.837 22 381072.035 236787.185 +145.637 +90.495 3709.740 2305.126 23 381217.688 236877.689 +145.667 +90.513 3708.595 2304.414 24 381363.368 236968.211 +145.693 +90.530 3707.455 2303.706 25 381509.072 237058.747 +145.714 +90.542 3706.305 2302.991 26 381654.796 237149.296 +145.733 +90.554 3705.170 2302.286 27 381800.537 237239.855 +145.748 +90.564 3704.040 2301.584 -------- -----------------------------------------------------------
DE405 Lunar Ephemeris Calculator - v2.94 - A PHP Astronomy Program by Jay Tanner
Revised:
2021 June 21 at 06:54:17 AM Monday