163696 (2003 EB50)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5189164089 ± 5.62e-09
Semi-major axis (a)1.5710103633 AU ± 8.42e-10
Inclination (i)29.50238450° ± 1.44e-06
Long. of Asc. Node (Ω)65.60551846° ± 5.61e-07
Arg. of Perihelion (ω)278.95596979° ± 8.51e-07
Mean Anomaly (M)49.35443266° ± 1.24e-06
Mean Motion (n)0.5005456613°/day ± 4.02e-10
Perihelion dist (q)0.75578731 AU ± 8.85e-09
Aphelion dist (Q)2.38623342 AU ± 8.93e-09
Orbital Period1.96910364 yr ± 1.58e-09
Physical Parameters
H (abs. magnitude)16.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.454″
Uncertainty0
Orbit TypeApollo
MOID0.052853 AU
Observations Used5959
Radar Obs Used14
Gaia Obs Used95
Oppositions7
Arc Total2003-2017
First Observation Used2003-03-10
Last Observation Used2026-01-01
Observations (8774)
Date Type RA Dec Mag Band Observatory
2024-01-12 18:48:24 s 1 +56862.209 0 +283315.93 4460.0 C57
2024-01-12 22:28:24 S 07 58 13.704 +67 47 33.47 V C57
2024-01-12 22:28:24 s 1 +46659.034 0 +278575.93 6660.0 C57
2024-01-12 23:28:24 S 07 58 00.202 +67 47 50.71 V C57
2024-01-12 23:28:24 s 1 +43850.834 0 +277144.28 4200.0 C57
2024-01-12 23:48:24 S 07 57 56.330 +67 48 01.37 V C57
2024-01-12 23:48:24 s 1 +42912.512 0 +276653.65 9580.0 C57
2024-01-13 00:28:24 S 07 57 46.817 +67 48 06.08 V C57
2024-01-13 00:28:24 s 1 +41032.564 0 +275652.01 7860.0 C57
2024-01-13 05:08:24 S 07 56 48.204 +67 49 31.51 V C57
2024-01-13 05:08:24 s 1 +27762.160 0 +267869.32 2300.0 C57
2024-01-13 07:48:24 S 07 56 15.372 +67 50 12.44 V C57
2024-01-13 07:48:24 s 1 +20106.185 0 +262800.37 5170.0 C57
2024-01-13 09:28:24 S 07 55 53.438 +67 50 42.00 V C57
2024-01-13 09:28:24 s 1 +15300.686 0 +259395.94 1790.0 C57
2024-01-13 09:48:24 S 07 55 50.405 +67 50 45.38 V C57
2024-01-13 09:48:24 s 1 +14338.030 0 +258692.96 7580.0 C57
2024-01-13 12:28:24 S 07 55 15.355 +67 51 26.32 V C57
2024-01-13 13:08:24 S 07 55 08.143 +67 51 34.02 V C57
2024-01-13 13:28:24 S 07 55 03.240 +67 51 40.21 V C57
2024-01-13 14:28:24 S 07 54 50.213 +67 51 54.97 V C57
2024-01-13 14:48:24 S 07 54 46.087 +67 51 57.13 V C57
2024-01-13 15:08:24 S 07 54 41.952 +67 52 05.02 V C57
2024-01-13 15:28:24 S 07 54 37.222 +67 52 06.71 V C57
2024-01-13 16:08:24 S 07 54 29.599 +67 52 19.24 V C57
2024-01-13 19:28:24 S 07 53 45.653 +67 53 05.14 V C57
2024-01-13 19:28:24 s 1 -13666.830 0 +234976.82 2540.0 C57
2024-01-13 19:48:24 S 07 53 41.921 +67 53 11.08 V C57
2024-01-13 19:48:24 s 1 -14630.804 0 +234040.60 780.0 C57
2024-01-13 20:08:24 S 07 53 38.052 +67 53 13.60 V C57
2024-01-13 20:08:24 s 1 -15594.308 0 +233096.15 4470.0 C57
2024-01-13 20:28:24 S 07 53 33.137 +67 53 15.43 V C57
2024-01-13 20:28:24 s 1 -16557.316 0 +232143.61 3920.0 C57
2024-01-13 21:48:24 S 07 53 17.693 +67 53 39.59 V C57
2024-01-13 21:48:24 s 1 -20403.563 0 +228251.32 0.656 C57
2024-01-13 23:48:24 S 07 52 51.192 +67 53 59.96 V C57
2024-01-13 23:48:24 s 1 -26151.195 0 +222163.96 0.402 C57
2024-01-14 00:28:24 S 07 52 42.926 +67 54 02.27 V C57
2024-01-14 00:28:24 s 1 -28059.939 0 +220067.72 0.984 C57
2024-01-14 07:48:24 S 07 51 09.382 +67 55 36.70 V C57
2024-01-14 07:48:24 s 1 -48697.341 0 +194739.46 0.98 C57
2024-01-14 10:28:24 S 07 50 34.747 +67 55 59.92 V C57
2024-01-14 10:28:24 s 1 -55970.515 0 +184472.90 0.469 C57
2024-01-14 10:48:24 S 07 50 30.127 +67 56 06.43 V C57
2024-01-14 10:48:24 s 1 -56868.231 0 +183149.26 0.342 C57
2024-01-14 11:08:24 S 07 50 26.340 +67 56 04.34 V C57
2024-01-14 11:08:24 s 1 -57763.148 0 +181816.49 0.199 C57
2024-01-14 11:28:24 S 07 50 21.821 +67 56 08.66 V C57
2024-01-14 11:28:24 s 1 -58655.261 0 +180474.80 0.103 C57
2024-01-14 11:48:24 S 07 50 18.226 +67 56 11.08 V C57
Radar Observations (14)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-29 04:30:00 29690.493 1 Hz 8560 -14 -14
2015-12-03 05:00:00 -516645.45 1 Hz 8560 -14 -14
2015-12-03 05:50:00 135344787.04 10 us 8560 -14 -14
2015-12-03 06:50:00 135567345.78 3 us 8560 -14 -14
2015-12-04 23:45:00 -192751.0704 0.1 Hz 2380 -1 -1
2015-12-05 00:08:00 146143531.01 4 us 2380 -1 -1
2015-12-05 23:18:00 -215805.2279 0.1 Hz 2380 -1 -1
2015-12-05 23:50:00 153531055.91 0.5 us 2380 -1 -1
2015-12-08 01:00:00 171291146.51 1 us 2380 -1 -1
2015-12-09 01:00:00 180935553.24 1 us 2380 -1 -1
2017-11-16 10:20:00 551171.3 0.2 Hz 8560 -14 -14
2017-11-17 09:40:00 463067.169 0.2 Hz 8560 -14 -14
2017-11-17 10:40:00 102430712.59 10 us 8560 -14 -14
2017-11-17 11:00:00 102367215.7 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)