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
2019-12-21 02:14:24 s 1 -177423.98 9 +271401.45 3590.0 C57
2019-12-21 04:14:24 S 06 21 01.406 +64 50 24.07 V C57
2019-12-21 04:14:24 s 1 -179059.62 3 +265282.90 1150.0 C57
2019-12-21 04:44:24 S 06 20 53.640 +64 50 38.69 V C57
2019-12-21 04:44:24 s 1 -179451.08 7 +263727.65 7390.0 C57
2019-12-21 05:44:24 S 06 20 36.847 +64 51 10.22 V C57
2019-12-21 05:44:24 s 1 -180212.49 8 +260586.14 1850.0 C57
2019-12-21 06:14:24 S 06 20 28.670 +64 51 26.78 V C57
2019-12-21 06:14:24 s 1 -180582.27 4 +258999.79 9710.0 C57
2019-12-21 06:44:24 S 06 20 20.011 +64 51 43.63 V C57
2019-12-21 06:44:24 s 1 -180944.64 6 +257402.99 4430.0 C57
2019-12-21 07:44:24 S 06 20 03.269 +64 52 16.10 V C57
2019-12-21 07:44:24 s 1 -181646.81 9 +254177.88 3650.0 C57
2019-12-21 08:14:24 S 06 19 55.145 +64 52 30.18 V C57
2019-12-21 08:14:24 s 1 -181986.43 5 +252549.47 7770.0 C57
2019-12-21 08:44:24 S 06 19 46.495 +64 52 47.03 V C57
2019-12-21 08:44:24 s 1 -182318.27 9 +250910.44 7960.0 C57
2019-12-21 09:14:24 S 06 19 38.458 +64 53 01.86 V C57
2019-12-21 09:14:24 s 1 -182642.25 3 +249260.75 4020.0 C57
2019-12-21 09:44:24 S 06 19 29.945 +64 53 16.55 V C57
2019-12-21 09:44:24 s 1 -182958.26 1 +247600.34 5760.0 C57
2019-12-21 10:14:24 S 06 19 21.583 +64 53 31.78 V C57
2019-12-21 10:14:24 s 1 -183266.20 1 +245929.17 2950.0 C57
2019-12-21 10:44:24 S 06 19 13.238 +64 53 48.12 V C57
2019-12-21 10:44:24 s 1 -183565.97 2 +244247.20 5380.0 C57
2019-12-21 11:14:24 S 06 19 05.458 +64 54 02.59 V C57
2019-12-21 11:14:24 s 1 -183857.47 0 +242554.38 2840.0 C57
2019-12-21 11:44:24 S 06 18 56.232 +64 54 16.52 V C57
2019-12-21 11:44:24 s 1 -184140.58 9 +240850.65 5100.0 C57
2019-12-21 12:14:24 S 06 18 48.485 +64 54 32.40 V C57
2019-12-21 12:14:24 s 1 -184415.22 1 +239135.98 1940.0 C57
2019-12-21 12:44:24 S 06 18 39.936 +64 54 48.60 V C57
2019-12-21 12:44:24 s 1 -184681.25 7 +237410.31 3120.0 C57
2019-12-21 13:14:24 S 06 18 31.630 +64 55 03.36 V C57
2019-12-21 13:14:24 s 1 -184938.58 4 +235673.60 8420.0 C57
2019-12-21 13:44:24 S 06 18 23.047 +64 55 17.36 V C57
2019-12-21 13:44:24 s 1 -185187.08 9 +233925.79 7580.0 C57
2019-12-21 14:44:24 S 06 18 07.145 +64 55 45.01 V C57
2019-12-21 14:44:24 s 1 -185657.16 0 +230396.68 6530.0 C57
2019-12-21 15:14:24 S 06 17 58.447 +64 56 01.97 V C57
2019-12-21 15:14:24 s 1 -185878.48 8 +228615.29 5810.0 C57
2019-12-21 15:44:24 S 06 17 50.136 +64 56 16.33 V C57
2019-12-21 15:44:24 s 1 -186090.51 2 +226822.59 7940.0 C57
2019-12-21 16:14:24 S 06 17 42.610 +64 56 26.56 V C57
2019-12-21 16:14:24 s 1 -186293.10 7 +225018.54 2670.0 C57
2019-12-21 18:14:24 S 06 17 09.175 +64 57 24.30 V C57
2019-12-21 18:14:24 s 1 -187006.57 8 +217687.73 1960.0 C57
2019-12-21 18:44:24 S 06 17 01.037 +64 57 38.20 V C57
2019-12-21 18:44:24 s 1 -187160.04 1 +215826.11 5440.0 C57
2019-12-21 19:14:24 S 06 16 52.697 +64 57 52.99 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)