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
2021-11-10 04:53:56 s 1 +147491.70 6 +275695.12 5220.0 C57
2021-11-10 05:03:56 S 09 14 15.670 +25 36 26.21 V C57
2021-11-10 05:03:56 s 1 +147259.80 0 +276174.14 760.0 C57
2021-11-10 05:23:56 S 09 14 16.289 +25 37 16.82 V C57
2021-11-10 05:23:56 s 1 +146793.99 4 +277128.44 4970.0 C57
2021-11-10 05:43:56 S 09 14 16.762 +25 38 06.29 V C57
2021-11-10 05:43:56 s 1 +146325.55 2 +278077.81 90.0 C57
2021-11-10 06:03:56 S 09 14 17.275 +25 39 01.30 V C57
2021-11-10 06:03:56 s 1 +145854.49 6 +279022.24 6210.0 C57
2021-11-10 06:23:56 S 09 14 17.942 +25 39 54.90 V C57
2021-11-10 06:23:56 s 1 +145380.84 8 +279961.75 3410.0 C57
2021-11-10 06:33:56 S 09 14 17.928 +25 40 26.98 V C57
2021-11-10 06:33:56 s 1 +145143.06 0 +280429.66 8690.0 C57
2021-11-10 06:43:56 S 09 14 18.238 +25 40 44.33 V C57
2021-11-10 06:43:56 s 1 +144904.63 3 +280896.35 1770.0 C57
2021-11-10 08:13:56 S 09 14 21.103 +25 44 38.94 V C57
2021-11-10 08:13:56 s 1 +142730.46 3 +285041.53 2010.0 C57
2021-11-10 09:33:56 S 09 14 23.278 +25 48 07.16 V C57
2021-11-10 09:33:56 s 1 +140756.16 5 +288643.54 6650.0 C57
2021-11-10 11:43:56 S 09 14 27.120 +25 53 46.25 V C57
2021-11-10 11:43:56 s 1 +137467.74 4 +294332.66 7710.0 C57
2021-11-10 12:03:56 S 09 14 27.936 +25 54 45.22 V C57
2021-11-10 12:03:56 s 1 +136953.30 7 +295190.01 4790.0 C57
2021-11-10 12:23:56 S 09 14 27.878 +25 55 26.26 V C57
2021-11-10 12:23:56 s 1 +136436.65 2 +296042.60 4280.0 C57
2021-11-10 13:23:56 S 09 14 29.669 +25 58 07.14 V C57
2021-11-10 13:23:56 s 1 +134873.56 0 +298572.00 7830.0 C57
2021-11-10 13:33:56 S 09 14 30.074 +25 58 30.72 V C57
2021-11-10 13:33:56 s 1 +134611.15 5 +298989.43 8620.0 C57
2021-11-10 13:43:56 S 09 14 30.482 +25 58 59.48 V C57
2021-11-10 13:43:56 s 1 +134348.21 6 +299405.69 7590.0 C57
2021-11-10 13:53:56 S 09 14 30.962 +25 59 24.11 V C57
2021-11-10 13:53:56 s 1 +134084.74 5 +299820.78 4740.0 C57
2021-11-10 14:01:50 C 09 13 24.708 +25 55 52.91 U F51
2021-11-10 14:03:56 S 09 14 31.032 +25 59 51.11 V C57
2021-11-10 14:03:56 s 1 +133820.74 6 +300234.68 80.0 C57
2021-11-10 14:13:56 S 09 14 31.078 +26 00 26.57 V C57
2021-11-10 14:13:56 s 1 +133556.21 9 +300647.42 3620.0 C57
2021-11-10 14:17:36 C 09 13 25.014 +25 56 33.67 U F51
2021-11-10 14:23:56 S 09 14 32.006 +26 00 47.30 V C57
2021-11-10 14:23:56 s 1 +133291.16 8 +301058.98 5360.0 C57
2021-11-10 14:43:56 S 09 14 32.042 +26 01 40.30 V C57
2021-11-10 14:43:56 s 1 +132759.50 0 +301878.59 3510.0 C57
2021-11-10 14:49:13 C 09 13 25.620 +25 57 55.39 U F51
2021-11-10 14:53:56 S 09 14 32.652 +26 02 01.14 V C57
2021-11-10 14:53:56 s 1 +132492.88 8 +302286.64 9930.0 C57
2021-11-10 15:03:56 S 09 14 32.551 +26 02 26.23 V C57
2021-11-10 15:03:56 s 1 +132225.76 0 +302693.52 4580.0 C57
2021-11-10 15:13:56 S 09 14 32.762 +26 02 53.95 V C57
2021-11-10 15:13:56 s 1 +131958.11 8 +303099.23 7480.0 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)