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
2021-10-28 15:53:57 S 09 04 20.124 +12 55 02.68 V C57
2021-10-28 15:53:57 s 1 +141827.08 7 +287492.72 8480.0 C57
2021-10-28 16:03:57 S 09 04 20.522 +12 55 34.25 V C57
2021-10-28 16:03:57 s 1 +141565.11 8 +287932.50 7750.0 C57
2021-10-28 17:13:57 S 09 04 23.294 +12 58 28.20 V C57
2021-10-28 17:13:57 s 1 +139714.87 9 +290976.82 8620.0 C57
2021-10-28 17:33:57 S 09 04 24.310 +12 59 17.56 V C57
2021-10-28 17:33:57 s 1 +139181.02 6 +291835.69 4630.0 C57
2021-10-28 17:43:57 S 09 04 25.080 +12 59 37.10 V C57
2021-10-28 17:43:57 s 1 +138913.24 3 +292263.31 4830.0 C57
2021-10-28 17:53:57 S 09 04 24.766 +13 00 09.72 V C57
2021-10-28 17:53:57 s 1 +138644.89 3 +292689.72 3170.0 C57
2021-10-28 18:03:57 S 09 04 25.094 +13 00 26.96 V C57
2021-10-28 18:03:57 s 1 +138375.97 7 +293114.91 9660.0 C57
2021-10-28 18:13:57 S 09 04 25.961 +13 00 54.79 V C57
2021-10-28 18:13:57 s 1 +138106.49 8 +293538.90 4300.0 C57
2021-10-28 18:23:57 S 09 04 26.119 +13 01 18.23 V C57
2021-10-28 18:23:57 s 1 +137836.46 0 +293961.68 7100.0 C57
2021-10-28 18:33:57 S 09 04 26.904 +13 01 47.10 V C57
2021-10-28 18:33:57 s 1 +137565.86 3 +294383.26 8080.0 C57
2021-10-28 18:53:57 S 09 04 27.233 +13 02 31.20 V C57
2021-10-28 18:53:57 s 1 +137023.00 6 +295222.80 4590.0 C57
2021-10-28 19:03:57 S 09 04 27.996 +13 03 01.04 V C57
2021-10-28 19:03:57 s 1 +136750.75 0 +295640.76 140.0 C57
2021-10-28 19:13:57 S 09 04 28.296 +13 03 26.93 V C57
2021-10-28 19:13:57 s 1 +136477.94 6 +296057.52 3890.0 C57
2021-10-28 19:23:57 S 09 04 28.502 +13 03 48.38 V C57
2021-10-28 19:23:57 s 1 +136204.59 6 +296473.09 5860.0 C57
2021-10-28 19:33:57 S 09 04 29.282 +13 04 15.92 V C57
2021-10-28 19:33:57 s 1 +135930.70 3 +296887.45 6050.0 C57
2021-10-28 19:53:57 S 09 04 29.707 +13 05 04.42 V C57
2021-10-28 19:53:57 s 1 +135381.29 4 +297712.57 1120.0 C57
2021-10-28 20:03:57 S 09 04 30.446 +13 05 27.17 V C57
2021-10-28 20:03:57 s 1 +135105.78 4 +298123.34 6020.0 C57
2021-10-28 20:33:57 S 09 04 31.344 +13 06 45.94 V C57
2021-10-28 20:33:57 s 1 +134276.05 8 +299348.47 280.0 C57
2021-10-28 20:43:57 S 09 04 31.740 +13 07 06.28 V C57
2021-10-28 20:43:57 s 1 +133998.42 5 +299754.46 8240.0 C57
2021-10-28 20:53:57 S 09 04 32.393 +13 07 32.63 V C57
2021-10-28 20:53:57 s 1 +133720.26 7 +300159.25 4480.0 C57
2021-10-28 21:23:57 S 09 04 33.679 +13 08 49.16 V C57
2021-10-28 21:23:57 s 1 +132882.66 6 +301366.50 3010.0 C57
2021-10-28 21:53:57 S 09 04 34.390 +13 10 03.97 V C57
2021-10-28 21:53:57 s 1 +132040.42 1 +302563.05 6370.0 C57
2021-10-28 22:03:57 S 09 04 34.985 +13 10 28.85 V C57
2021-10-28 22:03:57 s 1 +131758.65 2 +302959.53 820.0 C57
2021-10-28 22:23:57 S 09 04 35.515 +13 11 18.17 V C57
2021-10-28 22:23:57 s 1 +131193.59 3 +303748.93 4770.0 C57
2021-10-28 22:33:57 S 09 04 36.026 +13 11 42.90 V C57
2021-10-28 22:33:57 s 1 +130910.30 9 +304141.86 4290.0 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)