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 10:03:57 S 08 57 08.839 +05 41 08.77 V C57
2021-10-21 10:03:57 s 1 -138186.49 9 +279363.86 9040.0 C57
2021-10-21 10:13:57 S 08 57 09.005 +05 41 32.35 V C57
2021-10-21 10:13:57 s 1 -138449.50 0 +278899.88 550.0 C57
2021-10-21 10:23:57 S 08 57 09.562 +05 42 00.86 V C57
2021-10-21 10:23:57 s 1 -138711.86 6 +278434.61 9750.0 C57
2021-10-21 10:33:57 S 08 57 09.602 +05 42 20.45 V C57
2021-10-21 10:33:57 s 1 -138973.59 4 +277968.05 6630.0 C57
2021-10-21 10:43:57 S 08 57 09.737 +05 42 44.64 V C57
2021-10-21 10:43:57 s 1 -139234.68 2 +277500.20 1160.0 C57
2021-10-21 10:53:57 S 08 57 09.989 +05 43 11.96 V C57
2021-10-21 10:53:57 s 1 -139495.12 5 +277031.06 3340.0 C57
2021-10-21 11:03:57 S 08 57 10.610 +05 43 35.62 V C57
2021-10-21 11:03:57 s 1 -139754.92 2 +276560.63 3170.0 C57
2021-10-21 11:13:57 S 08 57 10.661 +05 43 58.22 V C57
2021-10-21 11:13:57 s 1 -140014.06 9 +276088.91 620.0 C57
2021-10-21 11:33:57 S 08 57 11.414 +05 44 53.56 V C57
2021-10-21 11:33:57 s 1 -140530.40 2 +275141.58 8380.0 C57
2021-10-21 11:43:57 S 08 57 11.806 +05 45 10.33 V C57
2021-10-21 11:43:57 s 1 -140787.58 2 +274665.97 8670.0 C57
2021-10-21 11:53:57 S 08 57 11.762 +05 45 33.52 V C57
2021-10-21 11:53:57 s 1 -141044.10 1 +274189.06 6540.0 C57
2021-10-21 12:03:57 S 08 57 12.055 +05 46 05.84 V C57
2021-10-21 12:03:57 s 1 -141299.95 4 +273710.85 1990.0 C57
2021-10-21 12:13:57 S 08 57 12.290 +05 46 26.04 V C57
2021-10-21 12:13:57 s 1 -141555.14 0 +273231.34 5010.0 C57
2021-10-21 12:23:57 S 08 57 12.533 +05 46 53.44 V C57
2021-10-21 12:23:57 s 1 -141809.65 5 +272750.52 5590.0 C57
2021-10-21 12:33:57 S 08 57 13.039 +05 47 15.43 V C57
2021-10-21 12:33:57 s 1 -142063.49 6 +272268.41 3710.0 C57
2021-10-21 12:43:57 S 08 57 12.986 +05 47 41.17 V C57
2021-10-21 12:43:57 s 1 -142316.65 9 +271784.98 9360.0 C57
2021-10-21 12:53:57 S 08 57 13.241 +05 48 06.48 V C57
2021-10-21 12:53:57 s 1 -142569.11 6 +271300.26 2620.0 C57
2021-10-21 13:49:37 C 08 56 59.70 +05 51 16.7 V T08
2021-10-21 13:53:57 S 08 57 15.238 +05 50 31.09 V C57
2021-10-21 13:53:57 s 1 -144068.30 5 +268364.55 2390.0 C57
2021-10-21 13:54:16 C 08 56 59.89 +05 51 28.2 V T08
2021-10-21 14:03:57 S 08 57 15.235 +05 50 56.98 V C57
2021-10-21 14:03:57 s 1 -144315.93 6 +267870.64 7930.0 C57
2021-10-21 14:04:15 C 08 57 00.18 +05 51 52.5 V T08
2021-10-21 14:20:50 C 08 57 00.77 +05 52 33.7 V T08
2021-10-21 14:23:57 S 08 57 15.804 +05 51 46.19 V C57
2021-10-21 14:23:57 s 1 -144809.07 6 +266878.86 1300.0 C57
2021-10-21 14:43:57 S 08 57 16.274 +05 52 32.84 V C57
2021-10-21 14:43:57 s 1 -145299.36 7 +265881.80 4320.0 C57
2021-10-21 15:03:57 S 08 57 17.093 +05 53 24.47 V C57
2021-10-21 15:03:57 s 1 -145786.78 1 +264879.45 6890.0 C57
2021-10-21 15:13:57 S 08 57 17.206 +05 53 44.84 V C57
2021-10-21 15:13:57 s 1 -146029.40 1 +264376.29 4230.0 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)