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
2021-11-08 16:23:56 S 09 12 59.575 +24 00 42.23 V C57
2021-11-08 16:23:56 s 1 +174963.44 6 +138205.90 5920.0 C57
2021-11-08 16:33:56 S 09 12 59.774 +24 01 08.29 V C57
2021-11-08 16:33:56 s 1 +174990.58 5 +138994.72 5810.0 C57
2021-11-08 16:43:56 S 09 13 00.475 +24 01 34.90 V C57
2021-11-08 16:43:56 s 1 +175015.70 4 +139781.95 8590.0 C57
2021-11-08 16:53:56 S 09 13 00.758 +24 02 00.82 V C57
2021-11-08 16:53:56 s 1 +175038.81 3 +140567.58 4310.0 C57
2021-11-08 17:03:56 S 09 13 01.090 +24 02 28.07 V C57
2021-11-08 17:03:56 s 1 +175059.92 6 +141351.62 3010.0 C57
2021-11-08 17:13:56 S 09 13 01.512 +24 02 51.54 V C57
2021-11-08 17:13:56 s 1 +175079.05 6 +142134.07 4730.0 C57
2021-11-08 17:23:56 S 09 13 01.850 +24 03 20.77 V C57
2021-11-08 17:23:56 s 1 +175096.21 3 +142914.92 9510.0 C57
2021-11-08 17:33:56 S 09 13 02.374 +24 03 45.29 V C57
2021-11-08 17:33:56 s 1 +175111.41 1 +143694.18 7410.0 C57
2021-11-08 17:43:56 S 09 13 02.762 +24 04 12.50 V C57
2021-11-08 17:43:56 s 1 +175124.66 1 +144471.86 8470.0 C57
2021-11-08 17:53:56 S 09 13 02.882 +24 04 40.84 V C57
2021-11-08 17:53:56 s 1 +175135.97 6 +145247.94 2710.0 C57
2021-11-08 18:03:56 S 09 13 03.509 +24 05 06.54 V C57
2021-11-08 18:03:56 s 1 +175145.36 7 +146022.44 200.0 C57
2021-11-08 18:13:56 S 09 13 04.054 +24 05 31.09 V C57
2021-11-08 18:13:56 s 1 +175152.84 5 +146795.35 960.0 C57
2021-11-08 18:23:56 S 09 13 04.464 +24 05 55.82 V C57
2021-11-08 18:23:56 s 1 +175158.42 3 +147566.68 5050.0 C57
2021-11-08 18:33:56 S 09 13 04.757 +24 06 23.80 V C57
2021-11-08 18:33:56 s 1 +175162.11 2 +148336.43 2500.0 C57
2021-11-08 18:43:56 S 09 13 04.944 +24 06 48.96 V C57
2021-11-08 18:43:56 s 1 +175163.92 3 +149104.59 3350.0 C57
2021-11-08 18:53:56 S 09 13 05.470 +24 07 15.46 V C57
2021-11-08 18:53:56 s 1 +175163.86 8 +149871.18 7640.0 C57
2021-11-08 19:03:56 S 09 13 05.878 +24 07 41.12 V C57
2021-11-08 19:03:56 s 1 +175161.95 8 +150636.18 5420.0 C57
2021-11-08 19:13:56 S 09 13 06.283 +24 08 04.24 V C57
2021-11-08 19:13:56 s 1 +175158.20 3 +151399.61 6720.0 C57
2021-11-08 19:23:56 S 09 13 06.641 +24 08 31.34 V C57
2021-11-08 19:23:56 s 1 +175152.61 6 +152161.47 1580.0 C57
2021-11-08 19:33:56 S 09 13 07.154 +24 08 56.29 V C57
2021-11-08 19:33:56 s 1 +175145.20 7 +152921.74 40.0 C57
2021-11-08 19:43:56 S 09 13 07.277 +24 09 25.42 V C57
2021-11-08 19:43:56 s 1 +175135.98 6 +153680.45 2140.0 C57
2021-11-08 19:53:56 S 09 13 07.735 +24 09 53.82 V C57
2021-11-08 19:53:56 s 1 +175124.96 5 +154437.59 7910.0 C57
2021-11-08 20:03:56 S 09 13 08.393 +24 10 16.00 V C57
2021-11-08 20:03:56 s 1 +175112.15 4 +155193.15 7410.0 C57
2021-11-08 20:13:56 S 09 13 08.705 +24 10 44.22 V C57
2021-11-08 20:13:56 s 1 +175097.56 4 +155947.15 650.0 C57
2021-11-08 20:23:56 S 09 13 09.060 +24 11 10.32 V C57
2021-11-08 20:23:56 s 1 +175081.20 5 +156699.58 7690.0 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)