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 02:13:56 s 1 -120643.04 8 +297314.42 5250.0 C57
2021-11-03 02:23:56 S 09 08 30.679 +18 20 44.12 V C57
2021-11-03 02:23:56 s 1 -120925.69 4 +296895.08 6630.0 C57
2021-11-03 02:33:56 S 09 08 30.718 +18 21 11.30 V C57
2021-11-03 02:33:56 s 1 -121207.81 7 +296474.49 6020.0 C57
2021-11-03 02:43:56 S 09 08 30.979 +18 21 35.21 V C57
2021-11-03 02:43:56 s 1 -121489.41 4 +296052.63 3430.0 C57
2021-11-03 02:53:56 S 09 08 31.138 +18 22 01.16 V C57
2021-11-03 02:53:56 s 1 -121770.48 2 +295629.51 8840.0 C57
2021-11-03 03:03:56 S 09 08 31.529 +18 22 27.41 V C57
2021-11-03 03:03:56 s 1 -122051.01 8 +295205.13 2230.0 C57
2021-11-03 03:13:56 S 09 08 31.637 +18 22 54.23 V C57
2021-11-03 03:13:56 s 1 -122331.02 1 +294779.49 3610.0 C57
2021-11-03 03:23:56 S 09 08 31.944 +18 23 16.84 V C57
2021-11-03 03:23:56 s 1 -122610.48 8 +294352.58 2970.0 C57
2021-11-03 03:33:56 S 09 08 32.117 +18 23 41.32 V C57
2021-11-03 03:33:56 s 1 -122889.41 6 +293924.41 280.0 C57
2021-11-03 03:43:56 S 09 08 32.458 +18 24 04.68 V C57
2021-11-03 03:43:56 s 1 -123167.80 3 +293494.97 5560.0 C57
2021-11-03 03:53:56 S 09 08 32.940 +18 24 32.04 V C57
2021-11-03 03:53:56 s 1 -123445.64 6 +293064.26 8770.0 C57
2021-11-03 04:03:56 S 09 08 32.947 +18 24 53.50 V C57
2021-11-03 04:03:56 s 1 -123722.94 3 +292632.29 9930.0 C57
2021-11-03 04:13:56 S 09 08 33.202 +18 25 19.81 V C57
2021-11-03 04:13:56 s 1 -123999.69 1 +292199.04 9010.0 C57
2021-11-03 04:23:56 S 09 08 33.382 +18 25 46.96 V C57
2021-11-03 04:23:56 s 1 -124275.88 8 +291764.52 6010.0 C57
2021-11-03 04:33:56 S 09 08 33.744 +18 26 09.89 V C57
2021-11-03 04:33:56 s 1 -124551.53 1 +291328.72 920.0 C57
2021-11-03 04:43:56 S 09 08 33.977 +18 26 32.06 V C57
2021-11-03 04:43:56 s 1 -124826.61 7 +290891.66 3730.0 C57
2021-11-03 04:53:56 S 09 08 34.248 +18 26 58.85 V C57
2021-11-03 04:53:56 s 1 -125101.14 4 +290453.31 4430.0 C57
2021-11-03 05:03:56 S 09 08 34.392 +18 27 27.18 V C57
2021-11-03 05:03:56 s 1 -125375.11 0 +290013.69 3000.0 C57
2021-11-03 05:13:56 S 09 08 34.598 +18 27 51.37 V C57
2021-11-03 05:13:56 s 1 -125648.51 1 +289572.78 9450.0 C57
2021-11-03 05:23:56 S 09 08 34.937 +18 28 13.48 V C57
2021-11-03 05:23:56 s 1 -125921.34 5 +289130.60 3760.0 C57
2021-11-03 05:33:56 S 09 08 35.006 +18 28 36.98 V C57
2021-11-03 05:33:56 s 1 -126193.60 9 +288687.14 5920.0 C57
2021-11-03 05:43:56 S 09 08 35.323 +18 29 05.42 V C57
2021-11-03 05:43:56 s 1 -126465.30 1 +288242.39 5920.0 C57
2021-11-03 05:53:56 S 09 08 35.678 +18 29 33.32 V C57
2021-11-03 05:53:56 s 1 -126736.41 8 +287796.35 3750.0 C57
2021-11-03 06:03:56 S 09 08 35.926 +18 29 55.90 V C57
2021-11-03 06:03:56 s 1 -127006.95 8 +287349.04 9400.0 C57
2021-11-03 06:13:56 S 09 08 35.988 +18 30 19.12 V C57
2021-11-03 06:13:56 s 1 -127276.91 7 +286900.43 2870.0 C57
2021-11-03 06:23:56 S 09 08 36.458 +18 30 42.37 V 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)