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
2021-11-11 09:53:56 S 09 15 00.948 +26 51 33.16 V C57
2021-11-11 09:53:56 s 1 +99202.554 0 +341379.46 460.0 C57
2021-11-11 10:03:56 S 09 15 01.238 +26 52 01.38 V C57
2021-11-11 10:03:56 s 1 +98889.043 0 +341659.13 8810.0 C57
2021-11-11 10:13:56 S 09 15 01.438 +26 52 21.11 V C57
2021-11-11 10:13:56 s 1 +98575.218 0 +341937.72 6130.0 C57
2021-11-11 10:23:56 S 09 15 01.711 +26 52 47.24 V C57
2021-11-11 10:23:56 s 1 +98261.083 0 +342215.25 2430.0 C57
2021-11-11 10:43:56 S 09 15 02.078 +26 53 45.06 V C57
2021-11-11 10:43:56 s 1 +97631.885 0 +342767.08 1960.0 C57
2021-11-11 11:23:56 S 09 15 03.295 +26 55 29.28 V C57
2021-11-11 11:23:56 s 1 +96369.818 0 +343857.93 8940.0 C57
2021-11-11 11:33:56 S 09 15 02.774 +26 55 47.60 V C57
2021-11-11 11:33:56 s 1 +96053.545 0 +344127.98 8190.0 C57
2021-11-11 11:43:56 S 09 15 03.535 +26 56 21.66 V C57
2021-11-11 11:43:56 s 1 +95736.972 0 +344396.96 6460.0 C57
2021-11-11 12:03:56 S 09 15 03.888 +26 57 11.20 V C57
2021-11-11 12:03:56 s 1 +95102.932 0 +344931.72 60.0 C57
2021-11-11 12:13:56 S 09 15 03.895 +26 57 37.19 V C57
2021-11-11 12:13:56 s 1 +94785.468 0 +345197.51 5400.0 C57
2021-11-11 12:23:56 S 09 15 04.642 +26 58 00.95 V C57
2021-11-11 12:23:56 s 1 +94467.710 0 +345462.23 9780.0 C57
2021-11-11 12:33:56 S 09 15 04.646 +26 58 32.12 V C57
2021-11-11 12:33:56 s 1 +94149.659 0 +345725.89 3200.0 C57
2021-11-11 12:43:56 S 09 15 05.134 +26 58 55.09 V C57
2021-11-11 12:43:56 s 1 +93831.316 0 +345988.49 5660.0 C57
2021-11-11 12:53:56 S 09 15 05.261 +26 59 18.24 V C57
2021-11-11 12:53:56 s 1 +93512.704 0 +346250.04 7220.0 C57
2021-11-11 13:03:56 S 09 15 05.590 +26 59 47.22 V C57
2021-11-11 13:03:56 s 1 +93194.786 0 +346511.20 9980.0 C57
2021-11-11 13:23:56 S 09 15 05.789 +27 00 40.57 V C57
2021-11-11 13:23:56 s 1 +92556.023 0 +347028.93 8160.0 C57
2021-11-11 13:43:56 S 09 15 06.274 +27 01 31.94 V C57
2021-11-11 13:43:56 s 1 +91916.184 0 +347542.48 2770.0 C57
2021-11-11 13:53:56 S 09 15 06.629 +27 01 50.34 V C57
2021-11-11 13:53:56 s 1 +91595.840 0 +347797.66 8680.0 C57
2021-11-11 14:03:56 S 09 15 06.463 +27 02 25.84 V C57
2021-11-11 14:03:56 s 1 +91275.216 0 +348051.79 3680.0 C57
2021-11-11 14:13:56 S 09 15 07.111 +27 02 46.61 V C57
2021-11-11 14:13:56 s 1 +90954.313 0 +348304.85 7770.0 C57
2021-11-11 14:23:56 S 09 15 07.229 +27 03 15.80 V C57
2021-11-11 14:23:56 s 1 +90633.132 0 +348556.87 960.0 C57
2021-11-11 14:32:33 C 09 13 58.72 +26 58 59.7 V T08
2021-11-11 14:33:56 S 09 15 07.541 +27 03 36.68 V C57
2021-11-11 14:33:56 s 1 +90311.674 0 +348807.83 3240.0 C57
2021-11-11 14:36:32 C 09 13 58.79 +26 59 09.7 V T08
2021-11-11 14:43:56 S 09 15 07.642 +27 04 10.81 V C57
2021-11-11 14:43:56 s 1 +89989.941 0 +349057.73 4620.0 C57
2021-11-11 14:53:56 S 09 15 07.610 +27 04 29.75 V C57
2021-11-11 14:53:56 s 1 +89667.933 0 +349306.58 5120.0 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)