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
2021-11-03 10:53:56 S 09 08 42.684 +18 41 58.96 V C57
2021-11-03 10:53:56 s 1 -134588.70 3 +273810.78 9780.0 C57
2021-11-03 11:03:56 S 09 08 42.650 +18 42 21.35 V C57
2021-11-03 11:03:56 s 1 -134840.59 0 +273324.20 5260.0 C57
2021-11-03 11:13:56 S 09 08 43.303 +18 42 50.15 V C57
2021-11-03 11:13:56 s 1 -135091.80 9 +272836.28 8230.0 C57
2021-11-03 11:23:56 S 09 08 43.267 +18 43 15.13 V C57
2021-11-03 11:23:56 s 1 -135342.35 6 +272347.03 8670.0 C57
2021-11-03 11:33:56 S 09 08 43.558 +18 43 41.38 V C57
2021-11-03 11:33:56 s 1 -135592.22 9 +271856.44 6590.0 C57
2021-11-03 11:43:56 S 09 08 44.018 +18 44 05.32 V C57
2021-11-03 11:43:56 s 1 -135841.42 4 +271364.51 1960.0 C57
2021-11-03 11:53:56 S 09 08 44.225 +18 44 30.30 V C57
2021-11-03 11:53:56 s 1 -136089.93 8 +270871.25 4770.0 C57
2021-11-03 12:03:56 S 09 08 44.347 +18 44 52.87 V C57
2021-11-03 12:03:56 s 1 -136337.76 7 +270376.65 5020.0 C57
2021-11-03 12:13:56 S 09 08 44.537 +18 45 17.50 V C57
2021-11-03 12:13:56 s 1 -136584.90 9 +269880.70 2690.0 C57
2021-11-03 12:23:56 S 09 08 44.818 +18 45 44.17 V C57
2021-11-03 12:23:56 s 1 -136831.36 1 +269383.41 7760.0 C57
2021-11-03 12:33:56 S 09 08 45.031 +18 46 08.00 V C57
2021-11-03 12:33:56 s 1 -137077.11 8 +268884.78 240.0 C57
2021-11-03 12:43:56 S 09 08 45.178 +18 46 32.34 V C57
2021-11-03 12:43:56 s 1 -137322.17 7 +268384.79 90.0 C57
2021-11-03 12:53:56 S 09 08 45.682 +18 46 59.81 V C57
2021-11-03 12:53:56 s 1 -137566.53 6 +267883.46 7320.0 C57
2021-11-03 13:03:56 S 09 08 45.677 +18 47 23.71 V C57
2021-11-03 13:03:56 s 1 -137810.19 1 +267380.78 1910.0 C57
2021-11-03 13:13:56 S 09 08 45.922 +18 47 47.29 V C57
2021-11-03 13:13:56 s 1 -138053.13 8 +266876.75 3840.0 C57
2021-11-03 13:23:56 S 09 08 46.301 +18 48 10.62 V C57
2021-11-03 13:23:56 s 1 -138295.37 4 +266371.36 3110.0 C57
2021-11-03 13:33:56 S 09 08 46.666 +18 48 37.84 V C57
2021-11-03 13:33:56 s 1 -138536.89 6 +265864.62 9710.0 C57
2021-11-03 13:43:56 S 09 08 46.654 +18 48 58.93 V C57
2021-11-03 13:43:56 s 1 -138777.70 0 +265356.52 3610.0 C57
2021-11-03 13:53:56 S 09 08 46.752 +18 49 30.25 V C57
2021-11-03 13:53:56 s 1 -139017.78 3 +264847.07 4810.0 C57
2021-11-03 14:03:56 S 09 08 47.273 +18 49 53.40 V C57
2021-11-03 14:03:56 s 1 -139257.14 2 +264336.25 3300.0 C57
2021-11-03 14:13:56 S 09 08 47.424 +18 50 22.06 V C57
2021-11-03 14:13:56 s 1 -139495.77 2 +263824.07 9050.0 C57
2021-11-03 14:23:56 S 09 08 47.611 +18 50 42.65 V C57
2021-11-03 14:23:56 s 1 -139733.67 1 +263310.53 2070.0 C57
2021-11-03 14:33:56 S 09 08 47.683 +18 51 05.47 V C57
2021-11-03 14:33:56 s 1 -139970.83 5 +262795.62 2330.0 C57
2021-11-03 14:43:56 S 09 08 47.777 +18 51 29.16 V C57
2021-11-03 14:43:56 s 1 -140207.25 9 +262279.35 9830.0 C57
2021-11-03 14:53:56 S 09 08 48.384 +18 51 58.25 V C57
2021-11-03 14:53:56 s 1 -140442.94 2 +261761.70 4550.0 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)