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
2021-10-21 15:23:57 S 08 57 17.503 +05 54 10.58 V C57
2021-10-21 15:23:57 s 1 -146271.29 2 +263871.80 8920.0 C57
2021-10-21 16:03:57 S 08 57 18.370 +05 55 50.59 V C57
2021-10-21 16:03:57 s 1 -147231.49 8 +261840.53 980.0 C57
2021-10-21 16:13:57 S 08 57 18.509 +05 56 09.42 V C57
2021-10-21 16:13:57 s 1 -147469.69 2 +261329.38 2260.0 C57
2021-10-21 16:33:57 S 08 57 19.022 +05 57 01.08 V C57
2021-10-21 16:33:57 s 1 -147943.82 8 +260303.07 6650.0 C57
2021-10-21 17:13:57 S 08 57 20.609 +05 58 39.68 V C57
2021-10-21 17:13:57 s 1 -148882.99 0 +258234.37 2410.0 C57
2021-10-21 17:53:57 S 08 57 21.077 +06 00 14.94 V C57
2021-10-21 17:53:57 s 1 -149809.81 4 +256144.16 3480.0 C57
2021-10-21 19:13:57 S 08 57 23.453 +06 03 36.04 V C57
2021-10-21 19:13:57 s 1 -151625.50 8 +251898.80 8260.0 C57
2021-10-21 19:23:57 S 08 57 23.820 +06 03 49.79 V C57
2021-10-21 19:23:57 s 1 -151848.83 9 +251362.01 5730.0 C57
2021-10-21 20:23:57 S 08 57 25.286 +06 06 27.97 V C57
2021-10-21 20:23:57 s 1 -153171.46 8 +248112.59 7810.0 C57
2021-10-21 20:33:57 S 08 57 25.406 +06 06 45.00 V C57
2021-10-21 20:33:57 s 1 -153388.97 8 +247566.22 4250.0 C57
2021-10-21 20:43:57 S 08 57 25.817 +06 07 09.73 V C57
2021-10-21 20:43:57 s 1 -153605.64 0 +247018.47 7630.0 C57
2021-10-21 20:53:57 S 08 57 25.822 +06 07 35.90 V C57
2021-10-21 20:53:57 s 1 -153821.45 0 +246469.35 7930.0 C57
2021-10-21 22:03:57 S 08 57 27.674 +06 10 25.72 V C57
2021-10-21 22:03:57 s 1 -155307.93 4 +242586.83 2790.0 C57
2021-10-21 22:23:57 S 08 57 28.270 +06 11 18.02 V C57
2021-10-21 22:23:57 s 1 -155724.74 4 +241465.06 9980.0 C57
2021-10-21 22:43:57 S 08 57 28.891 +06 12 00.04 V C57
2021-10-21 22:43:57 s 1 -156137.98 0 +240337.71 4290.0 C57
2021-10-21 22:53:57 S 08 57 29.182 +06 12 35.60 V C57
2021-10-21 22:53:57 s 1 -156343.24 7 +239771.95 6580.0 C57
2021-10-21 23:13:57 S 08 57 29.743 +06 13 23.05 V C57
2021-10-21 23:13:57 s 1 -156751.05 8 +238636.23 1350.0 C57
2021-10-21 23:23:57 S 08 57 30.389 +06 13 42.78 V C57
2021-10-21 23:23:57 s 1 -156953.59 3 +238066.27 3800.0 C57
2021-10-21 23:53:57 S 08 57 30.235 +06 15 00.97 V C57
2021-10-21 23:53:57 s 1 -157555.66 2 +236347.97 1210.0 C57
2021-10-22 00:03:57 S 08 57 30.468 +06 15 17.64 V C57
2021-10-22 00:03:57 s 1 -157754.49 1 +235772.39 330.0 C57
2021-10-22 00:33:57 S 08 57 31.697 +06 16 39.90 V C57
2021-10-22 00:33:57 s 1 -158345.33 3 +234037.19 7360.0 C57
2021-10-22 00:43:57 S 08 57 31.918 +06 16 58.73 V C57
2021-10-22 00:43:57 s 1 -158540.38 4 +233455.97 2880.0 C57
2021-10-22 00:53:57 S 08 57 32.376 +06 17 25.30 V C57
2021-10-22 00:53:57 s 1 -158734.47 8 +232873.33 4960.0 C57
2021-10-22 01:03:57 S 08 57 32.508 +06 17 48.66 V C57
2021-10-22 01:03:57 s 1 -158927.61 2 +232289.27 3590.0 C57
2021-10-22 01:13:57 S 08 57 32.962 +06 18 17.21 V C57
2021-10-22 01:13:57 s 1 -159119.78 0 +231703.80 8740.0 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)