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 03:43:57 S 09 04 48.122 +13 24 38.20 V C57
2021-10-29 03:43:57 s 1 +121890.71 2 +315741.10 5320.0 C57
2021-10-29 04:03:57 S 09 04 48.970 +13 25 27.34 V C57
2021-10-29 04:03:57 s 1 +121293.74 7 +316451.08 5530.0 C57
2021-10-29 04:13:57 S 09 04 49.320 +13 25 50.92 V C57
2021-10-29 04:13:57 s 1 +120994.61 4 +316804.34 3530.0 C57
2021-10-29 04:23:57 S 09 04 49.702 +13 26 17.05 V C57
2021-10-29 04:23:57 s 1 +120695.05 0 +317156.45 140.0 C57
2021-10-29 04:33:57 S 09 04 50.393 +13 26 42.58 V C57
2021-10-29 04:33:57 s 1 +120395.05 7 +317507.40 5350.0 C57
2021-10-29 04:43:57 S 09 04 50.556 +13 27 07.38 V C57
2021-10-29 04:43:57 s 1 +120094.63 5 +317857.21 9180.0 C57
2021-10-29 04:53:57 S 09 04 50.890 +13 27 29.38 V C57
2021-10-29 04:53:57 s 1 +119793.78 9 +318205.87 1630.0 C57
2021-10-29 05:03:57 S 09 04 51.098 +13 27 56.34 V C57
2021-10-29 05:03:57 s 1 +119492.51 8 +318553.37 2720.0 C57
2021-10-29 05:13:57 S 09 04 51.622 +13 28 19.67 V C57
2021-10-29 05:13:57 s 1 +119190.82 6 +318899.74 2440.0 C57
2021-10-29 05:23:57 S 09 04 51.900 +13 28 45.48 V C57
2021-10-29 05:23:57 s 1 +118888.71 4 +319244.95 800.0 C57
2021-10-29 05:33:57 S 09 04 52.392 +13 29 12.88 V C57
2021-10-29 05:33:57 s 1 +118586.18 4 +319589.02 7810.0 C57
2021-10-29 05:43:57 S 09 04 52.894 +13 29 36.56 V C57
2021-10-29 05:43:57 s 1 +118283.23 7 +319931.94 3470.0 C57
2021-10-29 05:53:57 S 09 04 53.177 +13 29 59.64 V C57
2021-10-29 05:53:57 s 1 +117979.87 6 +320273.72 7800.0 C57
2021-10-29 06:03:57 S 09 04 53.580 +13 30 26.06 V C57
2021-10-29 06:03:57 s 1 +117676.10 3 +320614.35 790.0 C57
2021-10-29 06:13:57 S 09 04 53.909 +13 30 51.16 V C57
2021-10-29 06:13:57 s 1 +117371.91 9 +320953.85 2450.0 C57
2021-10-29 06:23:57 S 09 04 54.187 +13 31 15.71 V C57
2021-10-29 06:23:57 s 1 +117067.32 6 +321292.20 2800.0 C57
2021-10-29 06:33:57 S 09 04 54.842 +13 31 38.32 V C57
2021-10-29 06:33:57 s 1 +116762.32 6 +321629.40 1830.0 C57
2021-10-29 06:43:57 S 09 04 54.967 +13 32 01.28 V C57
2021-10-29 06:43:57 s 1 +116456.92 0 +321965.47 9560.0 C57
2021-10-29 06:53:57 S 09 04 55.380 +13 32 31.78 V C57
2021-10-29 06:53:57 s 1 +116151.11 2 +322300.40 5980.0 C57
2021-10-29 07:23:57 S 09 04 56.671 +13 33 47.48 V C57
2021-10-29 07:23:57 s 1 +115231.28 3 +323298.35 7500.0 C57
2021-10-29 07:33:57 S 09 04 57.194 +13 34 06.74 V C57
2021-10-29 07:33:57 s 1 +114923.87 8 +323628.73 8780.0 C57
2021-10-29 07:43:57 S 09 04 57.374 +13 34 32.70 V C57
2021-10-29 07:43:57 s 1 +114616.07 9 +323957.97 8790.0 C57
2021-10-29 07:53:57 S 09 04 57.746 +13 35 02.80 V C57
2021-10-29 07:53:57 s 1 +114307.88 7 +324286.08 7530.0 C57
2021-10-29 08:03:57 S 09 04 57.977 +13 35 23.78 V C57
2021-10-29 08:03:57 s 1 +113999.30 4 +324613.05 5010.0 C57
2021-10-29 08:13:57 S 09 04 58.464 +13 35 52.08 V C57
2021-10-29 08:13:57 s 1 +113690.33 2 +324938.89 1240.0 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)