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 05:43:56 S 09 14 55.087 +26 40 41.48 V C57
2021-11-11 05:43:56 s 1 +106934.49 1 +334037.68 870.0 C57
2021-11-11 05:53:56 S 09 14 55.255 +26 41 06.25 V C57
2021-11-11 05:53:56 s 1 +106629.27 2 +334344.35 6750.0 C57
2021-11-11 06:03:56 S 09 14 55.428 +26 41 32.32 V C57
2021-11-11 06:03:56 s 1 +106323.70 2 +334649.93 1460.0 C57
2021-11-11 06:13:56 S 09 14 55.829 +26 41 57.41 V C57
2021-11-11 06:13:56 s 1 +106017.78 5 +334954.42 5000.0 C57
2021-11-11 06:23:56 S 09 14 56.004 +26 42 24.41 V C57
2021-11-11 06:23:56 s 1 +105711.52 0 +335257.83 7390.0 C57
2021-11-11 06:33:56 S 09 14 56.474 +26 42 53.24 V C57
2021-11-11 06:33:56 s 1 +105404.91 0 +335560.15 8640.0 C57
2021-11-11 06:43:56 S 09 14 56.455 +26 43 17.62 V C57
2021-11-11 06:43:56 s 1 +105097.95 7 +335861.38 8730.0 C57
2021-11-11 06:53:56 S 09 14 56.770 +26 43 44.65 V C57
2021-11-11 06:53:56 s 1 +104790.66 2 +336161.53 7690.0 C57
2021-11-11 07:03:56 S 09 14 57.146 +26 44 10.25 V C57
2021-11-11 07:03:56 s 1 +104483.02 6 +336460.60 5520.0 C57
2021-11-11 07:13:56 S 09 14 57.007 +26 44 33.25 V C57
2021-11-11 07:13:56 s 1 +104175.05 0 +336758.58 2220.0 C57
2021-11-11 07:23:56 S 09 14 57.466 +26 44 59.35 V C57
2021-11-11 07:23:56 s 1 +103866.73 8 +337055.47 7790.0 C57
2021-11-11 07:33:56 S 09 14 57.708 +26 45 27.68 V C57
2021-11-11 07:33:56 s 1 +103558.08 9 +337351.29 2250.0 C57
2021-11-11 07:43:56 S 09 14 58.025 +26 45 53.57 V C57
2021-11-11 07:43:56 s 1 +103249.10 5 +337646.02 5600.0 C57
2021-11-11 07:53:56 S 09 14 58.190 +26 46 18.55 V C57
2021-11-11 07:53:56 s 1 +102939.78 9 +337939.68 7850.0 C57
2021-11-11 08:03:56 S 09 14 58.296 +26 46 45.80 V C57
2021-11-11 08:03:56 s 1 +102630.14 1 +338232.25 8990.0 C57
2021-11-11 08:13:56 S 09 14 58.519 +26 47 08.12 V C57
2021-11-11 08:13:56 s 1 +102320.16 3 +338523.74 9040.0 C57
2021-11-11 08:23:56 S 09 14 58.826 +26 47 39.98 V C57
2021-11-11 08:23:56 s 1 +102009.85 6 +338814.16 7990.0 C57
2021-11-11 08:33:56 S 09 14 59.314 +26 48 02.38 V C57
2021-11-11 08:33:56 s 1 +101699.22 3 +339103.50 5870.0 C57
2021-11-11 08:43:56 S 09 14 59.383 +26 48 28.15 V C57
2021-11-11 08:43:56 s 1 +101388.26 3 +339391.76 2660.0 C57
2021-11-11 08:53:56 S 09 14 59.642 +26 48 56.30 V C57
2021-11-11 08:53:56 s 1 +101076.98 0 +339678.94 8380.0 C57
2021-11-11 09:03:56 S 09 14 59.784 +26 49 20.06 V C57
2021-11-11 09:03:56 s 1 +100765.37 4 +339965.05 3040.0 C57
2021-11-11 09:13:56 S 09 15 00.106 +26 49 45.59 V C57
2021-11-11 09:13:56 s 1 +100453.44 7 +340250.08 6620.0 C57
2021-11-11 09:23:56 S 09 15 00.370 +26 50 14.64 V C57
2021-11-11 09:23:56 s 1 +100141.20 0 +340534.03 9160.0 C57
2021-11-11 09:33:56 S 09 15 00.746 +26 50 43.08 V C57
2021-11-11 09:33:56 s 1 +99828.634 0 +340816.92 640.0 C57
2021-11-11 09:43:56 S 09 15 00.761 +26 51 03.53 V C57
2021-11-11 09:43:56 s 1 +99515.752 0 +341098.73 1070.0 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)