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 08:23:57 S 09 04 58.738 +13 36 16.16 V C57
2021-10-29 08:23:57 s 1 +113380.97 3 +325263.59 6220.0 C57
2021-10-29 08:33:57 S 09 04 59.414 +13 36 38.56 V C57
2021-10-29 08:33:57 s 1 +113071.22 7 +325587.16 9970.0 C57
2021-10-29 08:43:57 S 09 04 59.626 +13 37 05.92 V C57
2021-10-29 08:43:57 s 1 +112761.09 8 +325909.60 2470.0 C57
2021-10-29 08:53:57 S 09 05 00.055 +13 37 32.81 V C57
2021-10-29 08:53:57 s 1 +112450.58 7 +326230.91 3750.0 C57
2021-10-29 09:03:57 S 09 05 00.317 +13 37 55.81 V C57
2021-10-29 09:03:57 s 1 +112139.69 5 +326551.09 3800.0 C57
2021-10-29 09:13:57 S 09 05 00.744 +13 38 19.54 V C57
2021-10-29 09:13:57 s 1 +111828.42 4 +326870.14 2640.0 C57
2021-10-29 09:23:57 S 09 05 00.768 +13 38 45.17 V C57
2021-10-29 09:23:57 s 1 +111516.77 7 +327188.06 260.0 C57
2021-10-29 09:33:57 S 09 05 01.512 +13 39 06.12 V C57
2021-10-29 09:33:57 s 1 +111204.75 3 +327504.86 6680.0 C57
2021-10-29 09:43:57 S 09 05 02.016 +13 39 34.56 V C57
2021-10-29 09:43:57 s 1 +110892.35 7 +327820.53 1900.0 C57
2021-10-29 09:53:57 S 09 05 02.158 +13 39 57.60 V C57
2021-10-29 09:53:57 s 1 +110579.58 8 +328135.07 5930.0 C57
2021-10-29 10:03:57 S 09 05 02.551 +13 40 24.28 V C57
2021-10-29 10:03:57 s 1 +110266.44 9 +328448.48 8760.0 C57
2021-10-29 10:13:57 S 09 05 03.211 +13 40 50.95 V C57
2021-10-29 10:13:57 s 1 +109952.94 1 +328760.77 420.0 C57
2021-10-29 10:23:57 S 09 05 03.559 +13 41 11.08 V C57
2021-10-29 10:23:57 s 1 +109639.06 7 +329071.94 890.0 C57
2021-10-29 10:33:57 S 09 05 03.871 +13 41 41.71 V C57
2021-10-29 10:33:57 s 1 +109324.82 7 +329381.98 200.0 C57
2021-10-29 10:43:57 S 09 05 03.571 +13 42 12.56 V C57
2021-10-29 10:43:57 s 1 +109010.22 4 +329690.90 8340.0 C57
2021-10-29 11:03:57 S 09 05 04.870 +13 42 57.53 V C57
2021-10-29 11:03:57 s 1 +108379.93 3 +330305.37 1150.0 C57
2021-10-29 12:33:57 S 09 05 08.654 +13 46 39.14 V C57
2021-10-29 12:33:57 s 1 +105526.06 5 +333015.09 2570.0 C57
2021-10-29 12:53:57 S 09 05 08.863 +13 47 29.29 V C57
2021-10-29 12:53:57 s 1 +104888.04 8 +333604.97 660.0 C57
2021-10-29 13:53:57 S 09 05 10.970 +13 50 02.54 V C57
2021-10-29 13:53:57 s 1 +102965.86 8 +335347.91 9010.0 C57
2021-10-29 14:03:57 S 09 05 11.575 +13 50 13.78 V C57
2021-10-29 14:03:57 s 1 +102644.33 6 +335634.51 5010.0 C57
2021-10-29 14:33:57 S 09 05 12.744 +13 51 38.81 V C57
2021-10-29 14:33:57 s 1 +101677.76 9 +336487.67 6730.0 C57
2021-10-29 14:53:57 S 09 05 13.262 +13 52 21.04 V C57
2021-10-29 14:53:57 s 1 +101031.76 3 +337050.91 9370.0 C57
2021-10-29 15:43:57 S 09 05 15.206 +13 54 25.06 V C57
2021-10-29 15:43:57 s 1 +99411.140 0 +338439.65 8140.0 C57
2021-10-29 17:13:57 S 09 05 18.552 +13 58 14.05 V C57
2021-10-29 17:13:57 s 1 +96474.341 0 +340869.97 5520.0 C57
2021-10-29 17:53:57 S 09 05 20.479 +13 59 54.89 V C57
2021-10-29 17:53:57 s 1 +95161.208 0 +341921.55 3840.0 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)