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
2021-11-12 19:33:56 S 09 15 41.431 +28 19 08.62 V C57
2021-11-12 19:33:56 s 1 +31235.047 0 +376802.82 370.0 C57
2021-11-12 20:03:56 S 09 15 41.443 +28 20 26.66 V C57
2021-11-12 20:03:56 s 1 +30178.895 0 +377017.43 600.0 C57
2021-11-12 20:13:55 S 09 15 41.916 +28 20 51.76 V C57
2021-11-12 20:13:55 s 1 +29826.682 0 +377086.97 320.0 C57
2021-11-12 20:23:56 S 09 15 42.034 +28 21 10.80 V C57
2021-11-12 20:23:56 s 1 +29474.389 0 +377155.52 9860.0 C57
2021-11-12 20:33:55 S 09 15 42.542 +28 21 40.10 V C57
2021-11-12 20:33:55 s 1 +29122.017 0 +377223.07 9230.0 C57
2021-11-12 20:53:55 S 09 15 42.439 +28 22 35.76 V C57
2021-11-12 20:53:55 s 1 +28417.040 0 +377355.18 7480.0 C57
2021-11-12 21:03:56 S 09 15 42.190 +28 22 56.53 V C57
2021-11-12 21:03:56 s 1 +28064.438 0 +377419.74 6360.0 C57
2021-11-12 22:13:56 S 09 15 43.870 +28 26 04.27 V C57
2021-11-12 22:13:56 s 1 +25594.174 0 +377843.79 4350.0 C57
2021-11-12 22:53:56 S 09 15 44.494 +28 27 43.78 V C57
2021-11-12 22:53:56 s 1 +24181.071 0 +378064.21 4520.0 C57
2021-11-13 00:23:56 S 09 15 45.502 +28 31 31.76 V C57
2021-11-13 00:23:56 s 1 +20997.908 0 +378501.96 5920.0 C57
2021-11-13 00:53:56 S 09 15 45.898 +28 33 01.69 V C57
2021-11-13 00:53:56 s 1 +19935.813 0 +378629.98 4730.0 C57
2021-11-13 01:43:56 S 09 15 47.153 +28 35 11.40 V C57
2021-11-13 01:43:56 s 1 +18164.603 0 +378823.47 5350.0 C57
2021-11-13 02:03:56 S 09 15 47.570 +28 35 58.56 V C57
2021-11-13 02:03:56 s 1 +17455.773 0 +378893.90 3800.0 C57
2021-11-13 02:23:56 S 09 15 47.237 +28 36 52.31 V C57
2021-11-13 02:23:56 s 1 +16746.757 0 +378960.37 2440.0 C57
2021-11-13 02:33:55 S 09 15 47.892 +28 37 17.65 V C57
2021-11-13 02:33:55 s 1 +16392.181 0 +378992.11 6830.0 C57
2021-11-13 02:53:55 S 09 15 47.945 +28 38 07.37 V C57
2021-11-13 02:53:55 s 1 +15682.900 0 +379052.61 5720.0 C57
2021-11-13 03:13:56 S 09 15 48.235 +28 39 05.62 V C57
2021-11-13 03:13:56 s 1 +14973.451 0 +379109.13 4730.0 C57
2021-11-13 03:23:55 S 09 15 48.602 +28 39 23.80 V C57
2021-11-13 03:23:55 s 1 +14618.667 0 +379135.90 9280.0 C57
2021-11-13 03:33:56 S 09 15 48.396 +28 39 54.83 V C57
2021-11-13 03:33:56 s 1 +14263.843 0 +379161.68 3840.0 C57
2021-11-13 03:43:55 S 09 15 48.689 +28 40 16.97 V C57
2021-11-13 03:43:55 s 1 +13908.981 0 +379186.47 8430.0 C57
2021-11-13 04:03:55 S 09 15 48.840 +28 41 13.27 V C57
2021-11-13 04:03:55 s 1 +13199.146 0 +379233.06 7630.0 C57
2021-11-13 04:13:56 S 09 15 49.152 +28 41 42.97 V C57
2021-11-13 04:13:56 s 1 +12844.176 0 +379254.86 2240.0 C57
2021-11-13 04:23:55 S 09 15 49.354 +28 42 07.13 V C57
2021-11-13 04:23:55 s 1 +12489.171 0 +379275.67 6860.0 C57
2021-11-13 04:33:56 S 09 15 49.594 +28 42 26.64 V C57
2021-11-13 04:33:56 s 1 +12134.132 0 +379295.49 1470.0 C57
2021-11-13 04:43:56 S 09 15 49.838 +28 42 58.50 V C57
2021-11-13 04:43:56 s 1 +11779.061 0 +379314.31 6080.0 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)