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 06:23:56 s 1 -127546.29 2 +286450.53 4140.0 C57
2021-11-03 07:03:56 S 09 08 37.385 +18 32 24.25 V C57
2021-11-03 07:03:56 s 1 -128617.91 0 +284638.03 7030.0 C57
2021-11-03 07:13:56 S 09 08 37.603 +18 32 49.78 V C57
2021-11-03 07:13:56 s 1 -128884.32 9 +284181.67 7150.0 C57
2021-11-03 07:23:56 S 09 08 37.733 +18 33 16.63 V C57
2021-11-03 07:23:56 s 1 -129150.14 8 +283724.01 5020.0 C57
2021-11-03 07:33:56 S 09 08 37.872 +18 33 39.35 V C57
2021-11-03 07:33:56 s 1 -129415.36 5 +283265.05 620.0 C57
2021-11-03 07:43:56 S 09 08 38.208 +18 34 05.48 V C57
2021-11-03 07:43:56 s 1 -129679.97 6 +282804.79 3940.0 C57
2021-11-03 07:53:56 S 09 08 38.486 +18 34 29.89 V C57
2021-11-03 07:53:56 s 1 -129943.97 9 +282343.23 4970.0 C57
2021-11-03 08:03:56 S 09 08 38.623 +18 34 54.91 V C57
2021-11-03 08:03:56 s 1 -130207.37 1 +281880.36 3700.0 C57
2021-11-03 08:13:56 S 09 08 39.002 +18 35 19.10 V C57
2021-11-03 08:13:56 s 1 -130470.14 9 +281416.19 120.0 C57
2021-11-03 08:23:56 S 09 08 39.125 +18 35 44.34 V C57
2021-11-03 08:23:56 s 1 -130732.31 1 +280950.72 4210.0 C57
2021-11-03 08:33:56 S 09 08 39.406 +18 36 10.73 V C57
2021-11-03 08:33:56 s 1 -130993.85 2 +280483.93 5980.0 C57
2021-11-03 08:43:56 S 09 08 39.600 +18 36 33.55 V C57
2021-11-03 08:43:56 s 1 -131254.77 1 +280015.84 5400.0 C57
2021-11-03 08:53:56 S 09 08 39.919 +18 36 52.81 V C57
2021-11-03 08:53:56 s 1 -131515.06 5 +279546.44 2470.0 C57
2021-11-03 09:03:56 S 09 08 40.250 +18 37 22.62 V C57
2021-11-03 09:03:56 s 1 -131774.73 0 +279075.72 7180.0 C57
2021-11-03 09:13:56 S 09 08 40.433 +18 37 50.88 V C57
2021-11-03 09:13:56 s 1 -132033.76 3 +278603.69 9510.0 C57
2021-11-03 09:23:56 S 09 08 40.642 +18 38 15.76 V C57
2021-11-03 09:23:56 s 1 -132292.16 2 +278130.34 9450.0 C57
2021-11-03 09:33:56 S 09 08 41.035 +18 38 38.29 V C57
2021-11-03 09:33:56 s 1 -132549.92 4 +277655.68 7000.0 C57
2021-11-03 09:43:56 S 09 08 41.105 +18 39 04.28 V C57
2021-11-03 09:43:56 s 1 -132807.04 5 +277179.70 2140.0 C57
2021-11-03 09:53:56 S 09 08 41.354 +18 39 30.89 V C57
2021-11-03 09:53:56 s 1 -133063.52 2 +276702.40 4870.0 C57
2021-11-03 10:03:56 S 09 08 41.539 +18 39 54.40 V C57
2021-11-03 10:03:56 s 1 -133319.35 3 +276223.77 5160.0 C57
2021-11-03 10:13:56 S 09 08 41.777 +18 40 18.73 V C57
2021-11-03 10:13:56 s 1 -133574.53 5 +275743.83 3010.0 C57
2021-11-03 10:23:56 S 09 08 42.053 +18 40 44.29 V C57
2021-11-03 10:23:56 s 1 -133829.06 3 +275262.56 8410.0 C57
2021-11-03 10:24:29 C 09 08 20.60 +18 38 36.9 V 703
2021-11-03 10:33:56 S 09 08 42.266 +18 41 11.29 V C57
2021-11-03 10:33:56 s 1 -134082.93 6 +274779.96 1350.0 C57
2021-11-03 10:39:50 C 09 08 21.13 +18 39 15.0 V 703
2021-11-03 10:43:56 S 09 08 42.396 +18 41 32.75 V C57
2021-11-03 10:43:56 s 1 -134336.15 1 +274296.03 1810.0 C57
2021-11-03 10:47:30 C 09 08 21.31 +18 39 34.3 V 703
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)