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
2024-01-11 21:08:24 s 1 +113251.98 6 +296252.03 4240.0 C57
2024-01-11 21:28:24 S 08 03 25.752 +67 39 01.91 V C57
2024-01-11 21:28:24 s 1 +112444.19 7 +296233.94 7520.0 C57
2024-01-11 22:08:24 S 08 03 19.286 +67 39 11.63 V C57
2024-01-11 22:08:24 s 1 +110822.39 9 +296181.78 2100.0 C57
2024-01-11 22:48:24 S 08 03 10.399 +67 39 33.19 V C57
2024-01-11 22:48:24 s 1 +109192.40 6 +296108.33 5020.0 C57
2024-01-11 23:08:24 S 08 03 06.626 +67 39 40.28 V C57
2024-01-11 23:08:24 s 1 +108374.32 8 +296063.50 3850.0 C57
2024-01-11 23:28:24 S 08 03 01.810 +67 39 49.97 V C57
2024-01-11 23:28:24 s 1 +107554.24 3 +296013.34 2680.0 C57
2024-01-12 05:48:24 S 08 01 43.325 +67 42 04.00 V C57
2024-01-12 05:48:24 s 1 +91599.475 0 +294015.72 2170.0 C57
2024-01-12 06:08:24 S 08 01 37.591 +67 42 10.01 V C57
2024-01-12 06:08:24 s 1 +90740.773 0 +293854.42 9330.0 C57
2024-01-12 08:08:24 S 08 01 13.697 +67 42 54.40 V C57
2024-01-12 08:08:24 s 1 +85550.673 0 +292765.92 8580.0 C57
2024-01-12 08:28:24 S 08 01 08.899 +67 43 03.97 V C57
2024-01-12 08:28:24 s 1 +84679.433 0 +292564.20 9590.0 C57
2024-01-12 08:48:24 S 08 01 05.621 +67 43 10.45 V C57
2024-01-12 08:48:24 s 1 +83806.445 0 +292356.63 6180.0 C57
2024-01-12 09:08:24 S 08 01 01.994 +67 43 17.15 V C57
2024-01-12 09:08:24 s 1 +82931.697 0 +292143.13 8130.0 C57
2024-01-12 09:28:24 S 08 00 57.137 +67 43 20.17 V C57
2024-01-12 09:28:24 s 1 +82055.239 0 +291923.80 5340.0 C57
2024-01-12 10:08:24 S 08 00 48.367 +67 43 35.62 V C57
2024-01-12 10:08:24 s 1 +80297.171 0 +291467.34 4710.0 C57
2024-01-12 11:08:24 S 08 00 35.945 +67 43 57.00 V C57
2024-01-12 11:08:24 s 1 +77647.405 0 +290738.07 3540.0 C57
2024-01-12 11:48:24 S 08 00 28.001 +67 44 11.90 V C57
2024-01-12 11:48:24 s 1 +75872.598 0 +290221.97 7180.0 C57
2024-01-12 12:08:24 S 08 00 24.187 +67 44 16.01 V C57
2024-01-12 12:08:24 s 1 +74982.719 0 +289954.81 9690.0 C57
2024-01-12 12:28:24 S 08 00 19.291 +67 44 22.45 V C57
2024-01-12 12:28:24 s 1 +74091.236 0 +289681.66 5850.0 C57
2024-01-12 12:48:24 S 08 00 15.720 +67 44 31.63 V C57
2024-01-12 12:48:24 s 1 +73198.147 0 +289402.45 5430.0 C57
2024-01-12 14:48:24 S 07 59 50.506 +67 45 15.84 V C57
2024-01-12 14:48:24 s 1 +67806.493 0 +287598.43 3380.0 C57
2024-01-12 15:08:24 S 07 59 46.392 +67 45 16.56 V C57
2024-01-12 15:08:24 s 1 +66902.481 0 +287276.11 1260.0 C57
2024-01-12 16:28:24 S 07 59 30.533 +67 45 43.06 V C57
2024-01-12 16:28:24 s 1 +63271.569 0 +285924.57 9370.0 C57
2024-01-12 16:48:24 S 07 59 25.882 +67 45 53.50 V C57
2024-01-12 16:48:24 s 1 +62360.187 0 +285571.00 4490.0 C57
2024-01-12 17:28:24 S 07 59 17.201 +67 46 02.32 V C57
2024-01-12 17:28:24 s 1 +60533.110 0 +284844.79 6810.0 C57
2024-01-12 17:48:24 S 07 59 12.396 +67 46 07.21 V C57
2024-01-12 17:48:24 s 1 +59617.464 0 +284472.19 3720.0 C57
2024-01-12 18:48:24 S 07 58 59.542 +67 46 24.92 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)