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
2021-10-22 15:43:57 S 08 57 55.750 +06 53 47.54 V C57
2021-10-22 15:43:57 s 1 -171518.51 4 +175142.62 6080.0 C57
2021-10-22 15:53:57 S 08 57 55.951 +06 54 11.38 V C57
2021-10-22 15:53:57 s 1 -171603.02 9 +174425.57 7090.0 C57
2021-10-22 16:03:57 S 08 57 56.338 +06 54 33.95 V C57
2021-10-22 16:03:57 s 1 -171686.00 5 +173706.95 2650.0 C57
2021-10-22 16:13:57 S 08 57 56.568 +06 54 58.18 V C57
2021-10-22 16:13:57 s 1 -171767.43 3 +172986.75 2710.0 C57
2021-10-22 16:23:57 S 08 57 56.923 +06 55 25.82 V C57
2021-10-22 16:23:57 s 1 -171847.30 4 +172264.98 7250.0 C57
2021-10-22 16:33:57 S 08 57 57.113 +06 55 46.74 V C57
2021-10-22 16:33:57 s 1 -171925.60 9 +171541.63 6240.0 C57
2021-10-22 16:43:57 S 08 57 57.540 +06 56 11.80 V C57
2021-10-22 16:43:57 s 1 -172002.33 8 +170816.71 9650.0 C57
2021-10-22 16:53:57 S 08 57 57.463 +06 56 39.08 V C57
2021-10-22 16:53:57 s 1 -172077.48 4 +170090.21 7450.0 C57
2021-10-22 17:03:57 S 08 57 57.883 +06 57 00.47 V C57
2021-10-22 17:03:57 s 1 -172151.03 8 +169362.12 9600.0 C57
2021-10-22 17:13:57 S 08 57 57.914 +06 57 25.20 V C57
2021-10-22 17:13:57 s 1 -172222.98 9 +168632.45 6070.0 C57
2021-10-22 17:23:57 S 08 57 58.694 +06 57 52.60 V C57
2021-10-22 17:23:57 s 1 -172293.32 8 +167901.20 6830.0 C57
2021-10-22 17:33:57 S 08 57 58.906 +06 58 16.25 V C57
2021-10-22 17:33:57 s 1 -172362.04 8 +167168.36 1860.0 C57
2021-10-22 17:43:57 S 08 57 58.927 +06 58 39.00 V C57
2021-10-22 17:43:57 s 1 -172429.13 7 +166433.93 1110.0 C57
2021-10-22 17:53:57 S 08 57 59.227 +06 59 01.86 V C57
2021-10-22 17:53:57 s 1 -172494.58 7 +165697.91 4550.0 C57
2021-10-22 18:03:57 S 08 57 59.659 +06 59 25.80 V C57
2021-10-22 18:03:57 s 1 -172558.38 8 +164960.31 2160.0 C57
2021-10-22 18:13:57 S 08 57 59.918 +06 59 53.38 V C57
2021-10-22 18:13:57 s 1 -172620.53 1 +164221.11 3890.0 C57
2021-10-22 18:23:57 S 08 58 00.034 +07 00 17.28 V C57
2021-10-22 18:23:57 s 1 -172681.00 6 +163480.31 9720.0 C57
2021-10-22 18:33:57 S 08 58 00.384 +07 00 43.70 V C57
2021-10-22 18:33:57 s 1 -172739.80 3 +162737.92 9620.0 C57
2021-10-22 18:43:57 S 08 58 00.586 +07 01 08.00 V C57
2021-10-22 18:43:57 s 1 -172796.91 2 +161993.94 3540.0 C57
2021-10-22 18:53:57 S 08 58 00.960 +07 01 27.26 V C57
2021-10-22 18:53:57 s 1 -172852.32 4 +161248.35 1450.0 C57
2021-10-22 19:03:57 S 08 58 00.922 +07 01 53.47 V C57
2021-10-22 19:03:57 s 1 -172906.02 9 +160501.17 3330.0 C57
2021-10-22 19:13:57 S 08 58 01.246 +07 02 23.10 V C57
2021-10-22 19:13:57 s 1 -172958.01 6 +159752.39 9120.0 C57
2021-10-22 19:23:57 S 08 58 01.514 +07 02 42.00 V C57
2021-10-22 19:23:57 s 1 -173008.27 6 +159002.00 8810.0 C57
2021-10-22 19:33:57 S 08 58 01.937 +07 03 09.11 V C57
2021-10-22 19:33:57 s 1 -173056.79 7 +158250.01 2360.0 C57
2021-10-22 19:43:57 S 08 58 02.266 +07 03 33.01 V C57
2021-10-22 19:43:57 s 1 -173103.57 1 +157496.41 9720.0 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)