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
2024-01-14 22:08:24 s 1 -85241.792 0 +132744.82 0.583 C57
2024-01-14 22:28:24 S 07 48 01.469 +67 57 42.30 V C57
2024-01-14 22:28:24 s 1 -85995.024 0 +131104.03 0.953 C57
2024-01-14 22:48:24 S 07 47 57.290 +67 57 44.35 V C57
2024-01-14 22:48:24 s 1 -86742.456 0 +129454.37 0.513 C57
2024-01-14 23:08:24 S 07 47 52.462 +67 57 50.40 V C57
2024-01-14 23:08:24 s 1 -87483.896 0 +127795.74 0.039 C57
2024-01-14 23:28:24 S 07 47 48.547 +67 57 52.02 V C57
2024-01-14 23:28:24 s 1 -88219.365 0 +126128.35 0.637 C57
2024-01-14 23:48:24 S 07 47 44.016 +67 57 51.84 V C57
2024-01-14 23:48:24 s 1 -88948.704 0 +124452.17 0.137 C57
2024-01-15 00:28:24 S 07 47 36.163 +67 57 54.18 V C57
2024-01-15 00:28:24 s 1 -90388.415 0 +121073.37 0.267 C57
2024-01-15 00:48:24 S 07 47 31.644 +67 58 00.66 V C57
2024-01-15 00:48:24 s 1 -91098.647 0 +119370.95 0.833 C57
2024-01-15 01:08:24 S 07 47 27.550 +67 57 58.68 V C57
2024-01-15 01:08:24 s 1 -91802.196 0 +117659.75 0.775 C57
2024-01-15 01:28:24 S 07 47 22.814 +67 58 01.45 V C57
2024-01-15 01:28:24 s 1 -92499.092 0 +115939.99 0.205 C57
2024-01-15 01:48:24 S 07 47 19.111 +67 58 03.90 V C57
2024-01-15 01:48:24 s 1 -93189.163 0 +114211.66 0.946 C57
2024-01-15 02:08:24 S 07 47 15.055 +67 58 07.61 V C57
2024-01-15 02:08:24 s 1 -93872.187 0 +112474.68 0.759 C57
2024-01-15 02:28:24 S 07 47 10.661 +67 58 10.34 V C57
2024-01-15 02:28:24 s 1 -94548.200 0 +110729.27 0.762 C57
2024-01-15 02:48:24 S 07 47 06.358 +67 58 13.40 V C57
2024-01-15 02:48:24 s 1 -95217.021 0 +108975.41 0.774 C57
2024-01-15 03:08:24 S 07 47 02.726 +67 58 15.60 V C57
2024-01-15 03:08:24 s 1 -95878.420 0 +107213.05 0.548 C57
2024-01-15 03:48:24 S 07 46 53.638 +67 58 20.32 V C57
2024-01-15 03:48:24 s 1 -97178.881 0 +103663.49 0.571 C57
2024-01-15 08:08:24 S 07 45 58.512 +67 58 47.28 V C57
2024-01-15 08:08:24 s 1 -104831.11 8 +79811.032 0.973 C57
2024-01-15 09:08:24 S 07 45 46.313 +67 58 44.29 V C57
2024-01-15 09:08:24 s 1 -106380.04 4 +74125.806 0.712 C57
2024-01-15 09:48:24 S 07 45 38.897 +67 58 50.02 V C57
2024-01-15 09:48:24 s 1 -107363.18 1 +70300.824 0.269 C57
2024-01-15 12:28:24 S 07 45 05.705 +67 59 07.73 V C57
2024-01-15 12:28:24 s 1 -110872.54 0 +54741.677 0.112 C57
2024-01-15 18:28:24 S 07 43 50.508 +67 59 19.90 V C57
2024-01-15 18:28:24 s 1 -115951.41 7 +18544.350 0.674 C57
2024-01-15 18:48:24 S 07 43 47.014 +67 59 20.83 V C57
2024-01-15 18:48:24 s 1 -116105.41 3 +16500.175 0.826 C57
2024-01-15 23:08:24 S 07 42 53.779 +67 59 34.69 V C57
2024-01-15 23:08:24 s 1 -116726.28 4 -10168.993 0.634 C57
2024-01-15 23:28:24 S 07 42 50.897 +67 59 35.38 V C57
2024-01-15 23:28:24 s 1 -116662.81 1 -12218.317 0.694 C57
2024-01-15 23:48:24 S 07 42 46.649 +67 59 37.90 V C57
2024-01-15 23:48:24 s 1 -116582.78 5 -14265.892 0.464 C57
2024-01-16 00:28:24 S 07 42 37.584 +67 59 36.46 V 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)