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 05:53:57 S 08 57 40.306 +06 29 42.94 V C57
2021-10-22 05:53:57 s 1 -164088.28 6 +214727.74 3970.0 C57
2021-10-22 06:13:57 S 08 57 40.838 +06 30 27.68 V C57
2021-10-22 06:13:57 s 1 -164411.10 4 +213471.57 3710.0 C57
2021-10-22 06:23:57 S 08 57 40.939 +06 30 54.29 V C57
2021-10-22 06:23:57 s 1 -164570.82 5 +212841.28 2540.0 C57
2021-10-22 06:43:57 S 08 57 41.676 +06 31 42.35 V C57
2021-10-22 06:43:57 s 1 -164886.85 9 +211576.28 8010.0 C57
2021-10-22 06:53:57 S 08 57 42.053 +06 32 06.58 V C57
2021-10-22 06:53:57 s 1 -165043.16 0 +210941.57 4610.0 C57
2021-10-22 07:03:57 S 08 57 41.875 +06 32 33.14 V C57
2021-10-22 07:03:57 s 1 -165198.31 1 +210305.37 7100.0 C57
2021-10-22 07:13:57 S 08 57 42.415 +06 32 56.22 V C57
2021-10-22 07:13:57 s 1 -165352.30 5 +209667.70 5460.0 C57
2021-10-22 07:23:57 S 08 57 42.430 +06 33 18.58 V C57
2021-10-22 07:23:57 s 1 -165505.13 5 +209028.55 9650.0 C57
2021-10-22 07:33:57 S 08 57 42.852 +06 33 45.86 V C57
2021-10-22 07:33:57 s 1 -165656.79 7 +208387.91 9670.0 C57
2021-10-22 07:43:57 S 08 57 43.150 +06 34 10.63 V C57
2021-10-22 07:43:57 s 1 -165807.28 3 +207745.78 5490.0 C57
2021-10-22 08:03:57 S 08 57 43.726 +06 35 03.26 V C57
2021-10-22 08:03:57 s 1 -166104.70 5 +206457.07 4440.0 C57
2021-10-22 08:13:57 S 08 57 44.014 +06 35 21.66 V C57
2021-10-22 08:13:57 s 1 -166251.62 8 +205810.48 7540.0 C57
2021-10-22 08:23:57 S 08 57 44.134 +06 35 45.89 V C57
2021-10-22 08:23:57 s 1 -166397.35 2 +205162.40 6350.0 C57
2021-10-22 08:33:57 S 08 57 44.412 +06 36 11.05 V C57
2021-10-22 08:33:57 s 1 -166541.87 0 +204512.82 850.0 C57
2021-10-22 08:43:57 S 08 57 45.070 +06 36 40.10 V C57
2021-10-22 08:43:57 s 1 -166685.17 5 +203861.75 1030.0 C57
2021-10-22 08:53:57 S 08 57 44.906 +06 36 59.44 V C57
2021-10-22 08:53:57 s 1 -166827.26 1 +203209.18 6850.0 C57
2021-10-22 09:03:57 S 08 57 45.528 +06 37 22.66 V C57
2021-10-22 09:03:57 s 1 -166968.12 2 +202555.11 8300.0 C57
2021-10-22 09:13:57 S 08 57 45.554 +06 37 51.49 V C57
2021-10-22 09:13:57 s 1 -167107.75 1 +201899.53 5360.0 C57
2021-10-22 09:23:57 S 08 57 45.770 +06 38 11.90 V C57
2021-10-22 09:23:57 s 1 -167246.14 2 +201242.46 8000.0 C57
2021-10-22 09:33:57 S 08 57 46.238 +06 38 38.22 V C57
2021-10-22 09:33:57 s 1 -167383.28 9 +200583.88 6200.0 C57
2021-10-22 09:43:57 S 08 57 46.274 +06 39 03.49 V C57
2021-10-22 09:43:57 s 1 -167519.18 4 +199923.79 9940.0 C57
2021-10-22 09:53:57 S 08 57 46.776 +06 39 27.72 V C57
2021-10-22 09:53:57 s 1 -167653.82 1 +199262.20 9190.0 C57
2021-10-22 10:03:57 S 08 57 46.824 +06 39 56.38 V C57
2021-10-22 10:03:57 s 1 -167787.19 4 +198599.10 3940.0 C57
2021-10-22 10:13:57 S 08 57 47.273 +06 40 18.62 V C57
2021-10-22 10:13:57 s 1 -167919.29 5 +197934.48 4150.0 C57
2021-10-22 10:23:57 S 08 57 47.659 +06 40 42.42 V C57
2021-10-22 10:23:57 s 1 -168050.11 8 +197268.35 9800.0 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)