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
2021-11-08 03:53:56 S 09 12 27.523 +23 27 57.82 V C57
2021-11-08 03:53:56 s 1 +166063.89 0 +74465.698 3280.0 C57
2021-11-08 04:03:56 S 09 12 27.814 +23 28 23.59 V C57
2021-11-08 04:03:56 s 1 +166288.41 1 +75374.246 100.0 C57
2021-11-08 04:13:56 S 09 12 28.370 +23 28 53.00 V C57
2021-11-08 04:13:56 s 1 +166509.54 6 +76281.268 4910.0 C57
2021-11-08 04:23:56 S 09 12 28.634 +23 29 18.74 V C57
2021-11-08 04:23:56 s 1 +166727.32 1 +77186.758 7820.0 C57
2021-11-08 04:33:56 S 09 12 29.249 +23 29 44.27 V C57
2021-11-08 04:33:56 s 1 +166941.76 2 +78090.712 8920.0 C57
2021-11-08 04:43:56 S 09 12 29.758 +23 30 10.22 V C57
2021-11-08 04:43:56 s 1 +167152.89 2 +78993.125 8300.0 C57
2021-11-08 04:53:56 S 09 12 30.000 +23 30 35.46 V C57
2021-11-08 04:53:56 s 1 +167360.73 8 +79893.994 6040.0 C57
2021-11-08 05:03:56 S 09 12 30.242 +23 31 08.87 V C57
2021-11-08 05:03:56 s 1 +167565.32 3 +80793.314 2230.0 C57
2021-11-08 05:13:56 S 09 12 30.816 +23 31 32.48 V C57
2021-11-08 05:13:56 s 1 +167766.67 3 +81691.082 6970.0 C57
2021-11-08 05:23:56 S 09 12 31.174 +23 31 50.63 V C57
2021-11-08 05:23:56 s 1 +167964.81 0 +82587.294 330.0 C57
2021-11-08 05:33:56 S 09 12 32.105 +23 32 23.71 V C57
2021-11-08 05:33:56 s 1 +168159.75 9 +83481.945 2410.0 C57
2021-11-08 05:43:56 S 09 12 32.489 +23 32 45.71 V C57
2021-11-08 05:43:56 s 1 +168351.54 3 +84375.034 3290.0 C57
2021-11-08 05:53:56 S 09 12 32.880 +23 33 13.93 V C57
2021-11-08 05:53:56 s 1 +168540.18 6 +85266.556 3050.0 C57
2021-11-08 06:03:56 S 09 12 33.235 +23 33 39.24 V C57
2021-11-08 06:03:56 s 1 +168725.71 1 +86156.508 1770.0 C57
2021-11-08 06:13:56 S 09 12 33.655 +23 34 06.56 V C57
2021-11-08 06:13:56 s 1 +168908.14 0 +87044.888 9540.0 C57
2021-11-08 06:23:56 S 09 12 33.931 +23 34 35.18 V C57
2021-11-08 06:23:56 s 1 +169087.49 7 +87931.693 6440.0 C57
2021-11-08 06:33:56 S 09 12 34.534 +23 34 57.58 V C57
2021-11-08 06:33:56 s 1 +169263.80 3 +88816.919 2550.0 C57
2021-11-08 06:43:56 S 09 12 35.021 +23 35 25.84 V C57
2021-11-08 06:43:56 s 1 +169437.08 2 +89700.564 7950.0 C57
2021-11-08 06:53:56 S 09 12 35.818 +23 35 49.74 V C57
2021-11-08 06:53:56 s 1 +169607.35 4 +90582.625 2720.0 C57
2021-11-08 07:03:56 S 09 12 35.911 +23 36 16.99 V C57
2021-11-08 07:03:56 s 1 +169774.64 1 +91463.101 6930.0 C57
2021-11-08 07:13:56 S 09 12 36.468 +23 36 41.44 V C57
2021-11-08 07:13:56 s 1 +169938.96 6 +92341.989 660.0 C57
2021-11-08 07:23:56 S 09 12 36.804 +23 37 06.53 V C57
2021-11-08 07:23:56 s 1 +170100.35 0 +93219.286 4000.0 C57
2021-11-08 07:33:56 S 09 12 37.231 +23 37 37.85 V C57
2021-11-08 07:33:56 s 1 +170258.81 3 +94094.991 7000.0 C57
2021-11-08 07:43:56 S 09 12 37.553 +23 38 05.32 V C57
2021-11-08 07:43:56 s 1 +170414.37 6 +94969.102 9760.0 C57
2021-11-08 07:53:56 S 09 12 37.999 +23 38 25.55 V C57
2021-11-08 07:53:56 s 1 +170567.06 0 +95841.616 2350.0 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)