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
255.7165 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 Jul 16 Wed Time = 18:24:59 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 = 2460873.43488427 = Working Julian Date on TT scale Phase Angle = 255.7165 deg Visual Phase = Waning gibbous moon, approaching last quarter Horizon Altitude = -41.997° BELOW local horizon - Ascending in N Direction Azimuth = 7.884° = N (N=0, E=90, S=180, W=270) ====================================================================== TIME LT LOCAL BASIC EVENTS SCHEDULE FOR DATE -------- ------------------------------------ 05:45 Sunrise 12:03 Moonset 20:42 Sunset 23:45 Moonrise - Waning gibbous moon, approaching last quarter ====================================================================== GEOCENTRIC LUNAR COORDINATES AND DISTANCE Right Ascension = 00h 35m 11.148s = 0.5864299 h = 8.7964485° Declination = +05° 45' 07.91" = +5.752197° Distance = 231367.733 mi = 372350.273 km Angular Diameter = 32' 05.64" = 32.09399' = 1925.64" = 0.5348999° Eq. Horiz. Parallax = 58' 53.36" = 0.9814900° = 58.88940' = 3533.36" Local Hour Angle = +12h 23m 47.44s = +12.3965110 h = +185.9476650° ----------------------------- TOPOCENTRIC LUNAR COORDINATES Right Ascension = 00h 35m 28.985s = 0.5913848 h = 8.8707720° Declination = +05° 01' 47.50" = +5.029861° Radial Velocity = -87.02 km/h = -54.07 mi/h = Approaching Earth Orbital Velocity = 3788.69 km/h = 2354.18 mi/h JULY 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 Jul 02 Wed 15:30 First Quarter Moon = Phase 90 2025 Jul 04 Fri 22:29 Apogee 251423.30 mi = 404626.58 km 2025 Jul 10 Thu 16:37 Full Moon = Phase 180 2025 Jul 17 Thu 20:38 Last Quarter Moon = Phase 270 2025 Jul 20 Sun 09:55 Perigee 228690.30 mi = 368041.36 km 2025 Jul 24 Thu 15:11 New Moon = Phase 0/360
EXTENDED DE405 LUNAR EPHEMERIS STATISTICS AND HOURLY TABLES Time Mode = LT Time Zone = UT-04:00 ---------------------------------------------------------- CALENDAR DATE TIME JULIAN DATE JD NUMBER --------------- ----------- ---------------- ----------- 2025 Jul 16 Wed 18:24:59 LT 2460873.26734954 2460873 LT -04:00:00 TZ -0.16666667 2025 Jul 16 Wed 22:24:59 UT 2460873.43401621 2460873 UT +00:01:15 dT +0.00086806 2025 Jul 16 Wed 22:26:14 TT 2460873.43488427 2460873 TT JD TT = 2460873.43488427 = 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 18h 06m 16.11s = 18.1044750 h = 271.5671247 deg Local 12h 58m 58.59s = 12.9829409 h = 194.7441136 deg ================================================================= LUNAR POSITION, DISTANCE, PHASE AND LOCAL SUN/MOON RISE/SET TIMES Date = 2025 Jul 16 Wed Time = 18:24:59 LT Time Zone = UT-04:00 Delta T = +00:01:15 JD TT = 2460873.43488427 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 11.148s = 0.5864299 h = 8.7964485° Declination = +05° 45' 07.91" = +5.752197° Distance = 231367.733 mi = 372350.273 km Phase Angle = 255.71650° Visual Phase = Waning gibbous moon, approaching last quarter Angular Diameter = 32' 05.64" = 32.09399' = 1925.64" = 0.5348999° Eq. Horiz. Parallax = 58' 53.36" = 0.9814900° = 58.88940' = 3533.36" Radial Velocity = -87.02 km/h = -54.07 mi/h = Approaching Earth Orbital Velocity = 3788.69 km/h = 2354.18 mi/h TOPOCENTRIC LUNAR COORDINATES Right Ascension = 00h 35m 28.985s = 0.5913848 h = 8.8707720° Declination = +05° 01' 47.50" = +5.029861° Horizon Altitude = -41.997° BELOW local horizon - Ascending in N Direction Azimuth = 7.884° = N (N=0, E=90, S=180, W=270) Local Hour Angle = +12h 23m 47.44s = +12.3965110 h = +185.9476650° Light Time = 1.2150 sec = 1-way surface-to-surface = 2.4300 sec = 2-way surface-to-surface -------- ------------------------------------------------ TIME LT LOCAL EVENTS SCHEDULE FOR DATE 05:45 Sunrise 12:03 Moonset 20:42 Sunset 23:45 Moonrise - Waning gibbous moon, approaching last quarter ----------------------------------------------------------------- HOURLY GEOCENTRIC LUNAR COORDINATES, DISTANCE AND PHASE EPHEMERIS DATE = 2025 Jul 16 Wed 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 = 2460872.66753473 TT LT hh RA Hrs Decl Deg Dist Km Dist Mi Phase Deg -- ---------- ---------- ---------- ---------- --------- -3 23.8561051 -0.138817 374360.020 232616.532 244.1882 -2 23.8899342 +0.136488 374259.895 232554.317 244.7236 -1 23.9237801 +0.411916 374160.368 232492.474 245.2593 00 23.9576442 +0.687445 374061.441 232431.004 245.7952 01 23.9915283 +0.963053 373963.117 232369.908 246.3314 02 0.0254337 +1.238717 373865.398 232309.188 246.8680 03 0.0593619 +1.514414 373768.287 232248.846 247.4048 04 0.0933146 +1.790123 373671.786 232188.883 247.9418 05 0.1272932 +2.065821 373575.898 232129.301 248.4792 06 0.1612992 +2.341484 373480.626 232070.102 249.0169 07 0.1953342 +2.617091 373385.973 232011.287 249.5548 08 0.2293998 +2.892618 373291.941 231952.858 250.0931 09 0.2634972 +3.168043 373198.535 231894.819 250.6316 10 0.2976283 +3.443342 373105.757 231837.169 251.1704 11 0.3317946 +3.718493 373013.610 231779.912 251.7095 12 0.3659973 +3.993471 372922.099 231723.049 252.2489 13 0.4002383 +4.268255 372831.225 231666.583 252.7885 14 0.4345190 +4.542821 372740.994 231610.516 253.3285 15 0.4688408 +4.817145 372651.408 231554.850 253.8687 16 0.5032056 +5.091203 372562.472 231499.587 254.4092 17 0.5376146 +5.364973 372474.189 231444.731 254.9500 18 0.5720694 +5.638430 372386.565 231390.284 255.4911 19 0.6065716 +5.911551 372299.601 231336.247 256.0325 20 0.6411228 +6.184311 372213.304 231282.624 256.5741 21 0.6757243 +6.456686 372127.677 231229.418 257.1160 22 0.7103779 +6.728653 372042.725 231176.632 257.6583 23 0.7450850 +7.000186 371958.453 231124.267 258.2008 24 0.7798470 +7.271262 371874.865 231072.328 258.7435 25 0.8146657 +7.541857 371791.966 231020.817 259.2866 26 0.8495424 +7.811945 371709.762 230969.738 259.8299 27 0.8844787 +8.081501 371628.257 230919.093 260.3735 28 0.9194760 +8.350501 371547.456 230868.886 260.9174 -------- ------------------------------------------------- TIME LT BASIC EVENTS SCHEDULE FOR DATE AND LOCATION 05:45 Sunrise 12:03 Moonset 20:42 Sunset 23:45 Moonrise - Waning gibbous moon, approaching last quarter ====================================================================== HOURLY GEOCENTRIC LUNAR DISTANCE, RADIAL VELOCITY AND ORBITAL VELOCITY TABLE INCLUDING ANY APOGEE OR PERIGEE EVENT ON DATE. DATE = 2025 Jul 16 Wed 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 374259.895 232554.317 -99.827 -62.029 3773.207 2344.562 -1 374160.368 232492.474 -99.227 -61.657 3773.988 2345.047 00 374061.441 232431.004 -98.626 -61.284 3774.770 2345.533 01 373963.117 232369.908 -98.021 -60.907 3775.532 2346.007 02 373865.398 232309.188 -97.416 -60.531 3776.313 2346.492 03 373768.287 232248.846 -96.806 -60.153 3777.077 2346.967 04 373671.786 232188.883 -96.195 -59.773 3777.840 2347.441 05 373575.898 232129.301 -95.580 -59.390 3778.605 2347.917 06 373480.626 232070.102 -94.963 -59.008 3779.378 2348.396 07 373385.973 232011.287 -94.343 -58.622 3780.119 2348.857 08 373291.941 231952.858 -93.719 -58.234 3780.899 2349.342 09 373198.535 231894.819 -93.093 -57.845 3781.648 2349.807 10 373105.757 231837.169 -92.462 -57.453 3782.398 2350.273 11 373013.610 231779.912 -91.830 -57.061 3783.167 2350.751 12 372922.099 231723.049 -91.193 -56.665 3783.908 2351.211 13 372831.225 231666.583 -90.553 -56.267 3784.648 2351.671 14 372740.994 231610.516 -89.909 -55.867 3785.416 2352.148 15 372651.408 231554.850 -89.261 -55.464 3786.151 2352.605 16 372562.472 231499.587 -88.610 -55.059 3786.892 2353.065 17 372474.189 231444.731 -87.954 -54.653 3787.635 2353.527 18 372386.565 231390.284 -87.295 -54.242 3788.385 2353.993 19 372299.601 231336.247 -86.631 -53.830 3789.110 2354.444 20 372213.304 231282.624 -85.963 -53.415 3789.858 2354.909 21 372127.677 231229.418 -85.289 -52.996 3790.600 2355.370 22 372042.725 231176.632 -84.613 -52.576 3791.313 2355.812 23 371958.453 231124.267 -83.931 -52.153 3792.065 2356.280 24 371874.865 231072.328 -83.244 -51.725 3792.789 2356.730 25 371791.966 231020.817 -82.552 -51.295 3793.503 2357.174 26 371709.762 230969.738 -81.855 -50.863 3794.242 2357.633 27 371628.257 230919.093 -81.154 -50.427 3794.972 2358.086 -------- -----------------------------------------------------------
DE405 Lunar Ephemeris Calculator - v2.94 - A PHP Astronomy Program by Jay Tanner
Revised:
2021 June 21 at 06:54:17 AM Monday