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 00:53:56 S 09 14 47.916 +26 28 05.99 V C57
2021-11-11 00:53:56 s 1 +115626.50 8 +324667.38 7340.0 C57
2021-11-11 01:03:56 S 09 14 48.413 +26 28 34.43 V C57
2021-11-11 01:03:56 s 1 +115332.13 4 +325005.94 9560.0 C57
2021-11-11 01:13:56 S 09 14 48.365 +26 28 55.52 V C57
2021-11-11 01:13:56 s 1 +115037.36 2 +325343.40 440.0 C57
2021-11-11 01:23:56 S 09 14 48.720 +26 29 24.50 V C57
2021-11-11 01:23:56 s 1 +114742.19 5 +325679.75 9990.0 C57
2021-11-11 01:53:56 S 09 14 49.392 +26 30 41.62 V C57
2021-11-11 01:53:56 s 1 +113854.33 7 +326682.13 710.0 C57
2021-11-11 02:03:56 S 09 14 49.944 +26 31 07.03 V C57
2021-11-11 02:03:56 s 1 +113557.60 4 +327014.05 5000.0 C57
2021-11-11 02:13:56 S 09 14 49.958 +26 31 36.30 V C57
2021-11-11 02:13:56 s 1 +113260.48 4 +327344.86 7990.0 C57
2021-11-11 02:23:56 S 09 14 50.213 +26 32 01.03 V C57
2021-11-11 02:23:56 s 1 +112962.98 0 +327674.56 9680.0 C57
2021-11-11 02:33:56 S 09 14 50.388 +26 32 24.11 V C57
2021-11-11 02:33:56 s 1 +112665.09 1 +328003.16 80.0 C57
2021-11-11 02:43:56 S 09 14 50.686 +26 32 51.29 V C57
2021-11-11 02:43:56 s 1 +112366.82 0 +328330.65 9210.0 C57
2021-11-11 02:53:56 S 09 14 50.822 +26 33 20.27 V C57
2021-11-11 02:53:56 s 1 +112068.16 9 +328657.04 7050.0 C57
2021-11-11 03:13:56 S 09 14 51.374 +26 34 08.76 V C57
2021-11-11 03:13:56 s 1 +111469.73 3 +329306.52 8940.0 C57
2021-11-11 03:23:56 S 09 14 51.682 +26 34 36.30 V C57
2021-11-11 03:23:56 s 1 +111169.95 1 +329629.60 3000.0 C57
2021-11-11 03:33:56 S 09 14 52.046 +26 35 04.27 V C57
2021-11-11 03:33:56 s 1 +110869.79 5 +329951.59 5800.0 C57
2021-11-11 03:43:56 S 09 14 52.116 +26 35 30.23 V C57
2021-11-11 03:43:56 s 1 +110569.26 7 +330272.48 7350.0 C57
2021-11-11 04:03:56 S 09 14 52.697 +26 36 20.59 V C57
2021-11-11 04:03:56 s 1 +109967.10 1 +330910.96 6740.0 C57
2021-11-11 04:13:56 S 09 14 52.781 +26 36 48.20 V C57
2021-11-11 04:13:56 s 1 +109665.46 6 +331228.56 4590.0 C57
2021-11-11 04:23:56 S 09 14 53.105 +26 37 11.78 V C57
2021-11-11 04:23:56 s 1 +109363.46 6 +331545.05 1220.0 C57
2021-11-11 04:33:56 S 09 14 53.359 +26 37 40.51 V C57
2021-11-11 04:33:56 s 1 +109061.10 2 +331860.46 6630.0 C57
2021-11-11 04:43:56 S 09 14 53.587 +26 38 02.40 V C57
2021-11-11 04:43:56 s 1 +108758.37 5 +332174.77 820.0 C57
2021-11-11 04:53:56 S 09 14 53.981 +26 38 31.45 V C57
2021-11-11 04:53:56 s 1 +108455.28 7 +332487.98 3810.0 C57
2021-11-11 05:03:56 S 09 14 54.168 +26 38 54.71 V C57
2021-11-11 05:03:56 s 1 +108151.84 0 +332800.11 5600.0 C57
2021-11-11 05:13:56 S 09 14 54.401 +26 39 21.82 V C57
2021-11-11 05:13:56 s 1 +107848.03 6 +333111.14 6200.0 C57
2021-11-11 05:23:56 S 09 14 54.725 +26 39 47.48 V C57
2021-11-11 05:23:56 s 1 +107543.87 5 +333421.08 5610.0 C57
2021-11-11 05:33:56 S 09 14 54.847 +26 40 12.79 V C57
2021-11-11 05:33:56 s 1 +107239.36 0 +333729.92 3830.0 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)