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
2024-01-16 00:28:24 s 1 -116372.23 3 -18354.511 0.788 C57
2024-01-16 00:48:24 S 07 42 33.914 +67 59 38.47 V C57
2024-01-16 00:48:24 s 1 -116241.70 0 -20394.960 0.554 C57
2024-01-16 01:28:24 S 07 42 26.117 +67 59 36.56 V C57
2024-01-16 01:28:24 s 1 -115929.05 6 -24466.445 0.879 C57
2024-01-16 02:08:24 S 07 42 18.161 +67 59 43.87 V C57
2024-01-16 02:08:24 s 1 -115547.26 2 -28523.252 0.004 C57
2024-01-16 02:28:24 S 07 42 14.974 +67 59 45.28 V C57
2024-01-16 02:28:24 s 1 -115330.23 2 -30545.332 2210.0 C57
2024-01-16 02:48:24 S 07 42 10.051 +67 59 39.88 V C57
2024-01-16 02:48:24 s 1 -115095.63 9 -32562.744 2350.0 C57
2024-01-16 03:08:24 S 07 42 06.667 +67 59 41.57 V C57
2024-01-16 03:08:24 s 1 -114843.14 0 -34575.068 8680.0 C57
2024-01-16 03:28:24 S 07 42 02.974 +67 59 42.83 V C57
2024-01-16 03:28:24 s 1 -114573.04 2 -36582.074 5010.0 C57
2024-01-16 04:28:24 S 07 41 51.226 +67 59 41.57 V C57
2024-01-16 04:28:24 s 1 -113655.13 5 -42567.294 8570.0 C57
2024-01-16 05:48:24 S 07 41 34.169 +67 59 48.80 V C57
2024-01-16 05:48:24 s 1 -112178.04 8 -50450.849 1640.0 C57
2024-01-16 06:08:24 S 07 41 30.425 +67 59 44.20 V C57
2024-01-16 06:08:24 s 1 -111763.01 7 -52401.966 6420.0 C57
2024-01-16 06:28:24 S 07 41 27.199 +67 59 45.71 V C57
2024-01-16 06:28:24 s 1 -111329.84 8 -54344.556 7620.0 C57
2024-01-16 07:28:24 S 07 41 16.145 +67 59 53.66 V C57
2024-01-16 07:28:24 s 1 -109919.95 6 -60116.887 420.0 C57
2024-01-16 07:48:24 S 07 41 11.880 +67 59 44.99 V C57
2024-01-16 07:48:24 s 1 -109413.27 2 -62021.358 2670.0 C57
2024-01-16 08:24:42 C 07 41 38.656 +68 01 02.10 V 703
2024-01-16 08:28:06 C 07 41 38.040 +68 01 03.07 V 703
2024-01-16 08:31:31 C 07 41 37.399 +68 01 03.14 V 703
2024-01-16 08:34:56 C 07 41 36.802 +68 01 02.93 V 703
2024-01-16 11:09:55 C 07 41 07.798 +68 01 25.61 V T08
2024-01-16 11:14:34 C 07 41 06.984 +68 01 26.29 V T08
2024-01-16 12:04:22 C 07 40 57.250 +68 01 31.69 V T08
2024-01-16 12:11:58 C 07 40 55.800 +68 01 32.66 V T08
2024-01-16 13:58:24 S 07 40 02.897 +67 59 59.42 V C57
2024-01-16 13:58:24 s 1 -96748.027 0 -94983.425 2800.0 C57
2024-01-16 15:18:24 S 07 39 48.034 +68 00 03.67 V C57
2024-01-16 15:18:24 s 1 -93213.407 0 -101421.27 4480.0 C57
2024-01-16 15:38:24 S 07 39 43.872 +67 59 59.06 V C57
2024-01-16 15:38:24 s 1 -92287.597 0 -102985.96 6680.0 C57
2024-01-16 16:38:24 S 07 39 33.955 +68 00 03.49 V C57
2024-01-16 16:38:24 s 1 -89412.267 0 -107568.77 4750.0 C57
2024-01-17 04:38:24 S 07 37 25.346 +68 00 33.48 V C57
2024-01-17 04:38:24 s 1 -45441.725 0 -147672.64 2650.0 C57
2024-01-17 04:58:24 S 07 37 22.265 +68 00 36.90 V C57
2024-01-17 04:58:24 s 1 -44032.876 0 -148368.65 0.0 C57
2024-01-17 05:58:24 S 07 37 11.503 +68 00 38.38 V C57
2024-01-17 05:58:24 s 1 -39766.819 0 -150320.07 7330.0 C57
2024-01-17 06:58:24 S 07 37 02.220 +68 00 34.06 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)