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
2021-10-29 18:13:57 S 09 05 21.005 +14 00 45.04 V C57
2021-10-29 18:13:57 s 1 +94502.866 0 +342440.77 7390.0 C57
2021-10-29 18:53:57 S 09 05 21.972 +14 02 21.26 V C57
2021-10-29 18:53:57 s 1 +93182.688 0 +343466.09 3480.0 C57
2021-10-29 19:13:57 S 09 05 23.234 +14 03 16.06 V C57
2021-10-29 19:13:57 s 1 +92520.874 0 +343972.19 6100.0 C57
2021-10-29 19:23:57 S 09 05 23.143 +14 03 39.74 V C57
2021-10-29 19:23:57 s 1 +92189.541 0 +344223.60 1060.0 C57
2021-10-29 19:53:57 S 09 05 24.492 +14 04 56.24 V C57
2021-10-29 19:53:57 s 1 +91193.856 0 +344971.31 660.0 C57
2021-10-29 20:43:57 S 09 05 26.551 +14 06 58.18 V C57
2021-10-29 20:43:57 s 1 +89528.842 0 +346195.72 9270.0 C57
2021-10-29 20:53:57 S 09 05 26.933 +14 07 29.32 V C57
2021-10-29 20:53:57 s 1 +89195.021 0 +346437.34 6420.0 C57
2021-10-29 21:03:57 S 09 05 27.077 +14 07 52.21 V C57
2021-10-29 21:03:57 s 1 +88860.931 0 +346677.88 2740.0 C57
2021-10-29 21:13:57 S 09 05 27.283 +14 08 12.08 V C57
2021-10-29 21:13:57 s 1 +88526.572 0 +346917.33 8210.0 C57
2021-10-29 21:23:57 S 09 05 27.869 +14 08 35.12 V C57
2021-10-29 21:23:57 s 1 +88191.947 0 +347155.70 2850.0 C57
2021-10-29 21:33:57 S 09 05 28.387 +14 09 07.60 V C57
2021-10-29 21:33:57 s 1 +87857.056 0 +347392.99 6660.0 C57
2021-10-29 21:43:57 S 09 05 28.447 +14 09 33.70 V C57
2021-10-29 21:43:57 s 1 +87521.901 0 +347629.19 9640.0 C57
2021-10-29 22:13:57 S 09 05 29.302 +14 10 40.84 V C57
2021-10-29 22:13:57 s 1 +86514.867 0 +348331.29 3700.0 C57
2021-10-29 22:23:57 S 09 05 30.106 +14 11 07.94 V C57
2021-10-29 22:23:57 s 1 +86178.670 0 +348563.16 3430.0 C57
2021-10-29 22:33:57 S 09 05 30.578 +14 11 36.82 V C57
2021-10-29 22:33:57 s 1 +85842.216 0 +348793.95 2360.0 C57
2021-10-29 22:53:57 S 09 05 31.373 +14 12 20.05 V C57
2021-10-29 22:53:57 s 1 +85168.542 0 +349252.30 7830.0 C57
2021-10-29 23:33:57 S 09 05 32.386 +14 14 00.96 V C57
2021-10-29 23:33:57 s 1 +83818.167 0 +350156.03 9370.0 C57
2021-10-29 23:43:57 S 09 05 32.422 +14 14 28.54 V C57
2021-10-29 23:43:57 s 1 +83479.951 0 +350379.26 2820.0 C57
2021-10-29 23:53:57 S 09 05 32.969 +14 14 47.69 V C57
2021-10-29 23:53:57 s 1 +83141.488 0 +350601.43 5500.0 C57
2021-10-30 00:13:57 S 09 05 33.725 +14 15 43.24 V C57
2021-10-30 00:13:57 s 1 +82463.828 0 +351042.52 8590.0 C57
2021-10-30 00:23:57 S 09 05 34.728 +14 16 04.69 V C57
2021-10-30 00:23:57 s 1 +82124.634 0 +351261.45 9010.0 C57
2021-10-30 00:33:57 S 09 05 34.553 +14 16 31.30 V C57
2021-10-30 00:33:57 s 1 +81785.198 0 +351479.31 8680.0 C57
2021-10-30 00:43:57 S 09 05 34.651 +14 16 57.76 V C57
2021-10-30 00:43:57 s 1 +81445.523 0 +351696.09 7610.0 C57
2021-10-30 00:53:57 S 09 05 35.268 +14 17 23.46 V C57
2021-10-30 00:53:57 s 1 +81105.609 0 +351911.80 5800.0 C57
2021-10-30 01:13:57 S 09 05 36.082 +14 18 16.24 V C57
2021-10-30 01:13:57 s 1 +80425.071 0 +352339.99 9980.0 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)