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 15:08:51 C 09 13 59.34 +27 00 33.4 V T08
2021-11-11 15:13:56 S 09 15 08.542 +27 05 32.86 V C57
2021-11-11 15:13:56 s 1 +89023.102 0 +349801.11 3450.0 C57
2021-11-11 15:28:08 C 09 13 59.66 +27 01 23.6 V T08
2021-11-11 15:33:56 S 09 15 08.753 +27 06 20.59 V C57
2021-11-11 15:33:56 s 1 +88377.190 0 +350291.44 8270.0 C57
2021-11-11 15:43:56 S 09 15 09.144 +27 06 39.38 V C57
2021-11-11 15:43:56 s 1 +88053.833 0 +350535.02 4370.0 C57
2021-11-11 15:53:56 S 09 15 09.593 +27 07 07.82 V C57
2021-11-11 15:53:56 s 1 +87730.209 0 +350777.55 9610.0 C57
2021-11-11 16:03:56 S 09 15 09.602 +27 07 44.11 V C57
2021-11-11 16:03:56 s 1 +87406.320 0 +351019.03 4000.0 C57
2021-11-11 16:13:56 S 09 15 09.612 +27 07 58.55 V C57
2021-11-11 16:13:56 s 1 +87082.168 0 +351259.47 7530.0 C57
2021-11-11 16:23:56 S 09 15 09.514 +27 08 26.20 V C57
2021-11-11 16:23:56 s 1 +86757.753 0 +351498.85 210.0 C57
2021-11-11 16:33:56 S 09 15 09.895 +27 08 49.02 V C57
2021-11-11 16:33:56 s 1 +86433.078 0 +351737.18 2040.0 C57
2021-11-11 16:43:56 S 09 15 09.936 +27 09 17.39 V C57
2021-11-11 16:43:56 s 1 +86108.142 0 +351974.47 3040.0 C57
2021-11-11 16:53:56 S 09 15 10.397 +27 09 46.04 V C57
2021-11-11 16:53:56 s 1 +85782.949 0 +352210.71 3200.0 C57
2021-11-11 17:03:56 S 09 15 10.474 +27 10 12.36 V C57
2021-11-11 17:03:56 s 1 +85457.498 0 +352445.90 2530.0 C57
2021-11-11 17:13:56 S 09 15 11.042 +27 10 37.02 V C57
2021-11-11 17:13:56 s 1 +85131.791 0 +352680.04 1030.0 C57
2021-11-11 17:23:56 S 09 15 11.014 +27 10 57.68 V C57
2021-11-11 17:23:56 s 1 +84805.830 0 +352913.14 8720.0 C57
2021-11-11 17:43:56 S 09 15 11.690 +27 11 58.13 V C57
2021-11-11 17:43:56 s 1 +84153.148 0 +353376.19 1640.0 C57
2021-11-11 18:03:56 S 09 15 12.094 +27 12 50.29 V C57
2021-11-11 18:03:56 s 1 +83499.464 0 +353835.07 1330.0 C57
2021-11-11 18:23:56 S 09 15 12.396 +27 13 34.61 V C57
2021-11-11 18:23:56 s 1 +82844.786 0 +354289.77 7830.0 C57
2021-11-11 18:33:56 S 09 15 12.485 +27 14 05.46 V C57
2021-11-11 18:33:56 s 1 +82517.077 0 +354515.56 9890.0 C57
2021-11-11 18:43:56 S 09 15 12.725 +27 14 33.22 V C57
2021-11-11 18:43:56 s 1 +82189.124 0 +354740.30 1170.0 C57
2021-11-11 18:53:56 S 09 15 13.135 +27 14 53.34 V C57
2021-11-11 18:53:56 s 1 +81860.928 0 +354964.01 1670.0 C57
2021-11-11 19:03:56 S 09 15 13.188 +27 15 24.19 V C57
2021-11-11 19:03:56 s 1 +81532.490 0 +355186.67 1390.0 C57
2021-11-11 19:23:56 S 09 15 13.654 +27 16 14.38 V C57
2021-11-11 19:23:56 s 1 +80874.891 0 +355628.87 8530.0 C57
2021-11-11 19:33:56 S 09 15 13.598 +27 16 43.21 V C57
2021-11-11 19:33:56 s 1 +80545.734 0 +355848.41 5950.0 C57
2021-11-11 19:43:56 S 09 15 13.778 +27 17 03.59 V C57
2021-11-11 19:43:56 s 1 +80216.340 0 +356066.91 2610.0 C57
2021-11-11 19:53:56 S 09 15 14.426 +27 17 35.52 V C57
2021-11-11 19:53:56 s 1 +79886.709 0 +356284.37 8530.0 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)