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
2021-11-02 07:53:57 s 1 -86848.255 0 +336029.15 860.0 C57
2021-11-02 08:03:56 S 09 08 02.647 +17 34 59.41 V C57
2021-11-02 08:03:56 s 1 -87175.745 0 +335741.29 3590.0 C57
2021-11-02 08:13:57 S 09 08 02.983 +17 35 24.61 V C57
2021-11-02 08:13:57 s 1 -87502.926 0 +335452.29 5110.0 C57
2021-11-02 08:23:56 S 09 08 03.370 +17 35 49.49 V C57
2021-11-02 08:23:56 s 1 -87829.797 0 +335162.15 5430.0 C57
2021-11-02 08:33:57 S 09 08 03.358 +17 36 16.78 V C57
2021-11-02 08:33:57 s 1 -88156.355 0 +334870.86 4540.0 C57
2021-11-02 08:43:56 S 09 08 03.622 +17 36 38.59 V C57
2021-11-02 08:43:56 s 1 -88482.599 0 +334578.43 2430.0 C57
2021-11-02 08:53:56 S 09 08 04.054 +17 37 03.50 V C57
2021-11-02 08:53:56 s 1 -88808.528 0 +334284.85 9100.0 C57
2021-11-02 09:03:56 S 09 08 04.183 +17 37 28.78 V C57
2021-11-02 09:03:56 s 1 -89134.140 0 +333990.12 4550.0 C57
2021-11-02 09:13:56 S 09 08 04.464 +17 37 51.49 V C57
2021-11-02 09:13:56 s 1 -89459.433 0 +333694.25 8760.0 C57
2021-11-02 09:23:57 S 09 08 05.050 +17 38 19.46 V C57
2021-11-02 09:23:57 s 1 -89784.406 0 +333397.22 1730.0 C57
2021-11-02 09:33:56 S 09 08 04.661 +17 38 45.82 V C57
2021-11-02 09:33:56 s 1 -90109.057 0 +333099.05 3450.0 C57
2021-11-02 09:43:57 S 09 08 05.165 +17 39 08.82 V C57
2021-11-02 09:43:57 s 1 -90433.385 0 +332799.73 3930.0 C57
2021-11-02 09:53:56 S 09 08 05.774 +17 39 35.57 V C57
2021-11-02 09:53:56 s 1 -90757.387 0 +332499.26 3150.0 C57
2021-11-02 10:03:57 S 09 08 05.945 +17 39 55.51 V C57
2021-11-02 10:03:57 s 1 -91081.063 0 +332197.63 1100.0 C57
2021-11-02 10:13:56 S 09 08 06.360 +17 40 24.31 V C57
2021-11-02 10:13:56 s 1 -91404.410 0 +331894.85 7790.0 C57
2021-11-02 10:23:56 S 09 08 06.127 +17 40 47.68 V C57
2021-11-02 10:23:56 s 1 -91727.427 0 +331590.92 3200.0 C57
2021-11-02 10:33:56 S 09 08 06.276 +17 41 11.47 V C57
2021-11-02 10:33:56 s 1 -92050.112 0 +331285.83 7330.0 C57
2021-11-02 10:43:56 S 09 08 06.581 +17 41 33.79 V C57
2021-11-02 10:43:56 s 1 -92372.465 0 +330979.59 170.0 C57
2021-11-02 10:53:57 S 09 08 07.243 +17 42 01.87 V C57
2021-11-02 10:53:57 s 1 -92694.482 0 +330672.20 1720.0 C57
2021-11-02 11:03:56 S 09 08 07.279 +17 42 26.28 V C57
2021-11-02 11:03:56 s 1 -93016.162 0 +330363.64 1980.0 C57
2021-11-02 11:23:56 S 09 08 07.908 +17 43 17.00 V C57
2021-11-02 11:23:56 s 1 -93658.506 0 +329743.05 8560.0 C57
2021-11-02 11:33:57 S 09 08 07.469 +17 43 44.04 V C57
2021-11-02 11:33:57 s 1 -93979.167 0 +329431.02 4880.0 C57
2021-11-02 11:43:56 S 09 08 08.270 +17 44 10.90 V C57
2021-11-02 11:43:56 s 1 -94299.483 0 +329117.83 9870.0 C57
2021-11-02 11:53:56 S 09 08 08.506 +17 44 31.09 V C57
2021-11-02 11:53:56 s 1 -94619.455 0 +328803.48 3540.0 C57
2021-11-02 13:23:56 S 09 08 10.752 +17 48 10.51 V C57
2021-11-02 13:23:56 s 1 -97483.389 0 +325921.86 5670.0 C57
2021-11-02 13:53:57 S 09 08 11.885 +17 49 27.08 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)