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
2021-10-22 01:23:57 S 08 57 33.182 +06 18 39.42 V C57
2021-10-22 01:23:57 s 1 -159310.97 7 +231116.90 410.0 C57
2021-10-22 01:33:57 S 08 57 33.144 +06 19 02.21 V C57
2021-10-22 01:33:57 s 1 -159501.19 9 +230528.59 8580.0 C57
2021-10-22 01:43:57 S 08 57 33.943 +06 19 26.58 V C57
2021-10-22 01:43:57 s 1 -159690.44 2 +229938.85 3230.0 C57
2021-10-22 01:53:57 S 08 57 34.171 +06 19 47.10 V C57
2021-10-22 01:53:57 s 1 -159878.69 9 +229347.68 4330.0 C57
2021-10-22 02:03:57 S 08 57 34.375 +06 20 18.74 V C57
2021-10-22 02:03:57 s 1 -160065.96 7 +228755.09 1890.0 C57
2021-10-22 02:13:57 S 08 57 34.870 +06 20 35.92 V C57
2021-10-22 02:13:57 s 1 -160252.24 0 +228161.07 5870.0 C57
2021-10-22 02:23:57 S 08 57 34.663 +06 21 08.46 V C57
2021-10-22 02:23:57 s 1 -160437.51 3 +227565.62 6260.0 C57
2021-10-22 02:33:57 S 08 57 35.105 +06 21 27.29 V C57
2021-10-22 02:33:57 s 1 -160621.78 2 +226968.73 3050.0 C57
2021-10-22 02:43:57 S 08 57 35.438 +06 21 51.30 V C57
2021-10-22 02:43:57 s 1 -160805.04 2 +226370.42 6210.0 C57
2021-10-22 02:53:57 S 08 57 35.647 +06 22 19.13 V C57
2021-10-22 02:53:57 s 1 -160987.28 7 +225770.66 5730.0 C57
2021-10-22 03:03:57 S 08 57 36.245 +06 22 45.05 V C57
2021-10-22 03:03:57 s 1 -161168.51 2 +225169.48 1600.0 C57
2021-10-22 03:13:57 S 08 57 35.846 +06 23 06.61 V C57
2021-10-22 03:13:57 s 1 -161348.71 3 +224566.85 3790.0 C57
2021-10-22 03:23:57 S 08 57 36.595 +06 23 34.44 V C57
2021-10-22 03:23:57 s 1 -161527.88 4 +223962.78 2280.0 C57
2021-10-22 03:33:57 S 08 57 36.684 +06 23 59.64 V C57
2021-10-22 03:33:57 s 1 -161706.01 9 +223357.27 7060.0 C57
2021-10-22 03:43:57 S 08 57 37.114 +06 24 18.68 V C57
2021-10-22 03:43:57 s 1 -161883.11 5 +222750.31 8110.0 C57
2021-10-22 03:53:57 S 08 57 37.354 +06 24 45.76 V C57
2021-10-22 03:53:57 s 1 -162059.16 6 +222141.91 5420.0 C57
2021-10-22 04:03:57 S 08 57 37.380 +06 25 08.54 V C57
2021-10-22 04:03:57 s 1 -162234.16 5 +221532.07 8960.0 C57
2021-10-22 04:13:57 S 08 57 37.658 +06 25 34.03 V C57
2021-10-22 04:13:57 s 1 -162408.10 9 +220920.77 8710.0 C57
2021-10-22 04:23:57 S 08 57 38.112 +06 26 00.78 V C57
2021-10-22 04:23:57 s 1 -162580.99 2 +220308.02 4660.0 C57
2021-10-22 04:33:57 S 08 57 38.378 +06 26 19.28 V C57
2021-10-22 04:33:57 s 1 -162752.80 8 +219693.83 6790.0 C57
2021-10-22 04:43:57 S 08 57 38.292 +06 26 54.64 V C57
2021-10-22 04:43:57 s 1 -162923.55 2 +219078.17 5080.0 C57
2021-10-22 04:53:57 S 08 57 39.130 +06 27 13.90 V C57
2021-10-22 04:53:57 s 1 -163093.21 9 +218461.06 9510.0 C57
2021-10-22 05:23:57 S 08 57 39.134 +06 28 24.56 V C57
2021-10-22 05:23:57 s 1 -163595.70 0 +216600.98 9450.0 C57
2021-10-22 05:33:57 S 08 57 39.905 +06 28 52.86 V C57
2021-10-22 05:33:57 s 1 -163761.00 2 +215978.03 8250.0 C57
2021-10-22 05:43:57 S 08 57 39.770 +06 29 14.03 V C57
2021-10-22 05:43:57 s 1 -163925.20 0 +215353.62 3100.0 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)