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
2021-11-08 08:03:56 S 09 12 38.582 +23 38 53.70 V C57
2021-11-08 08:03:56 s 1 +170716.88 7 +96712.533 4830.0 C57
2021-11-08 08:13:56 S 09 12 39.096 +23 39 22.14 V C57
2021-11-08 08:13:56 s 1 +170863.87 5 +97581.849 7280.0 C57
2021-11-08 08:23:56 S 09 12 39.463 +23 39 48.60 V C57
2021-11-08 08:23:56 s 1 +171008.04 5 +98449.565 9770.0 C57
2021-11-08 08:33:56 S 09 12 39.967 +23 40 14.30 V C57
2021-11-08 08:33:56 s 1 +171149.41 7 +99315.678 2380.0 C57
2021-11-08 08:43:56 S 09 12 40.589 +23 40 39.47 V C57
2021-11-08 08:43:56 s 1 +171288.01 1 +100180.18 5170.0 C57
2021-11-08 08:53:56 S 09 12 40.788 +23 41 03.34 V C57
2021-11-08 08:53:56 s 1 +171423.84 6 +101043.09 8220.0 C57
2021-11-08 09:03:56 S 09 12 41.208 +23 41 32.35 V C57
2021-11-08 09:03:56 s 1 +171556.94 2 +101904.38 1590.0 C57
2021-11-08 09:13:56 S 09 12 41.652 +23 41 57.66 V C57
2021-11-08 09:13:56 s 1 +171687.31 7 +102764.07 5350.0 C57
2021-11-08 09:23:56 S 09 12 41.918 +23 42 21.78 V C57
2021-11-08 09:23:56 s 1 +171814.99 0 +103622.15 9580.0 C57
2021-11-08 09:33:56 S 09 12 42.578 +23 42 48.64 V C57
2021-11-08 09:33:56 s 1 +171939.98 2 +104478.62 4330.0 C57
2021-11-08 09:43:56 S 09 12 42.886 +23 43 15.64 V C57
2021-11-08 09:43:56 s 1 +172062.30 9 +105333.48 9670.0 C57
2021-11-08 09:53:56 S 09 12 43.330 +23 43 41.34 V C57
2021-11-08 09:53:56 s 1 +172181.99 0 +106186.73 5680.0 C57
2021-11-08 10:03:56 S 09 12 43.946 +23 44 08.88 V C57
2021-11-08 10:03:56 s 1 +172299.04 4 +107038.37 2410.0 C57
2021-11-08 10:13:56 S 09 12 44.189 +23 44 32.46 V C57
2021-11-08 10:13:56 s 1 +172413.48 8 +107888.39 9930.0 C57
2021-11-08 10:23:56 S 09 12 44.669 +23 45 01.80 V C57
2021-11-08 10:23:56 s 1 +172525.34 2 +108736.81 8300.0 C57
2021-11-08 10:33:56 S 09 12 45.005 +23 45 27.32 V C57
2021-11-08 10:33:56 s 1 +172634.62 1 +109583.60 7590.0 C57
2021-11-08 10:43:56 S 09 12 45.468 +23 45 51.59 V C57
2021-11-08 10:43:56 s 1 +172741.34 4 +110428.79 7860.0 C57
2021-11-08 10:53:56 S 09 12 45.960 +23 46 17.22 V C57
2021-11-08 10:53:56 s 1 +172845.52 9 +111272.35 9170.0 C57
2021-11-08 11:03:56 S 09 12 46.202 +23 46 46.92 V C57
2021-11-08 11:03:56 s 1 +172947.19 1 +112114.31 1590.0 C57
2021-11-08 11:13:56 S 09 12 46.678 +23 47 14.10 V C57
2021-11-08 11:13:56 s 1 +173046.35 0 +112954.65 5170.0 C57
2021-11-08 11:23:56 S 09 12 47.141 +23 47 37.46 V C57
2021-11-08 11:23:56 s 1 +173143.02 0 +113793.37 9980.0 C57
2021-11-08 11:33:56 S 09 12 47.465 +23 48 02.56 V C57
2021-11-08 11:33:56 s 1 +173237.22 0 +114630.48 6070.0 C57
2021-11-08 11:43:56 S 09 12 48.046 +23 48 29.34 V C57
2021-11-08 11:43:56 s 1 +173328.96 6 +115465.97 3510.0 C57
2021-11-08 11:53:56 S 09 12 48.374 +23 48 57.64 V C57
2021-11-08 11:53:56 s 1 +173418.27 3 +116299.84 2350.0 C57
2021-11-08 12:03:56 S 09 12 49.008 +23 49 22.69 V C57
2021-11-08 12:03:56 s 1 +173505.15 9 +117132.10 2650.0 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)