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
2021-11-03 14:56:28 C 09 08 29.53 +18 50 07.7 V T08
2021-11-03 15:00:27 C 09 08 29.66 +18 50 17.6 V T08
2021-11-03 15:03:56 S 09 08 48.514 +18 52 21.83 V C57
2021-11-03 15:03:56 s 1 -140677.87 9 +261242.69 6470.0 C57
2021-11-03 15:04:31 C 09 08 29.76 +18 50 28.2 V T08
2021-11-03 15:12:23 C 09 08 30.00 +18 50 48.0 V T08
2021-11-03 15:13:56 S 09 08 48.967 +18 52 47.42 V C57
2021-11-03 15:13:56 s 1 -140912.06 6 +260722.30 5590.0 C57
2021-11-03 15:23:56 S 09 08 49.306 +18 53 11.18 V C57
2021-11-03 15:23:56 s 1 -141145.50 1 +260200.54 1890.0 C57
2021-11-03 15:33:56 S 09 08 49.022 +18 53 38.29 V C57
2021-11-03 15:33:56 s 1 -141378.17 9 +259677.41 5360.0 C57
2021-11-03 15:43:56 S 09 08 49.598 +18 54 01.98 V C57
2021-11-03 15:43:56 s 1 -141610.09 6 +259152.89 5990.0 C57
2021-11-03 15:53:56 S 09 08 49.512 +18 54 27.07 V C57
2021-11-03 15:53:56 s 1 -141841.24 9 +258627.00 3750.0 C57
2021-11-03 16:03:56 S 09 08 49.807 +18 54 54.29 V C57
2021-11-03 16:03:56 s 1 -142071.63 5 +258099.73 8640.0 C57
2021-11-03 16:13:56 S 09 08 50.299 +18 55 17.33 V C57
2021-11-03 16:13:56 s 1 -142301.24 9 +257571.07 650.0 C57
2021-11-03 16:43:56 S 09 08 51.053 +18 56 29.40 V C57
2021-11-03 16:43:56 s 1 -142985.42 4 +255976.80 9210.0 C57
2021-11-03 16:53:56 S 09 08 51.026 +18 56 53.59 V C57
2021-11-03 16:53:56 s 1 -143211.91 5 +255442.59 9530.0 C57
2021-11-03 17:03:56 S 09 08 51.175 +18 57 19.58 V C57
2021-11-03 17:03:56 s 1 -143437.61 5 +254907.00 6900.0 C57
2021-11-03 17:13:56 S 09 08 51.182 +18 57 42.30 V C57
2021-11-03 17:13:56 s 1 -143662.52 0 +254370.01 1290.0 C57
2021-11-03 17:23:56 S 09 08 51.540 +18 58 04.91 V C57
2021-11-03 17:23:56 s 1 -143886.62 8 +253831.63 2710.0 C57
2021-11-03 17:33:56 S 09 08 52.114 +18 58 38.39 V C57
2021-11-03 17:33:56 s 1 -144109.93 3 +253291.85 1120.0 C57
2021-11-03 17:43:56 S 09 08 52.510 +18 59 06.68 V C57
2021-11-03 17:43:56 s 1 -144332.43 2 +252750.67 6530.0 C57
2021-11-03 17:53:56 S 09 08 52.543 +18 59 25.66 V C57
2021-11-03 17:53:56 s 1 -144554.12 2 +252208.09 8900.0 C57
2021-11-03 18:23:56 S 09 08 53.196 +19 00 38.66 V C57
2021-11-03 18:23:56 s 1 -145214.29 0 +250571.93 7720.0 C57
2021-11-03 18:53:56 S 09 08 53.990 +19 01 57.04 V C57
2021-11-03 18:53:56 s 1 -145867.02 3 +248923.10 8780.0 C57
2021-11-03 19:03:56 S 09 08 54.187 +19 02 22.31 V C57
2021-11-03 19:03:56 s 1 -146082.93 0 +248370.67 9550.0 C57
2021-11-03 19:13:56 S 09 08 54.475 +19 02 47.94 V C57
2021-11-03 19:13:56 s 1 -146297.99 4 +247816.82 7180.0 C57
2021-11-03 19:23:56 S 09 08 54.298 +19 03 10.40 V C57
2021-11-03 19:23:56 s 1 -146512.21 1 +247261.55 1660.0 C57
2021-11-03 19:33:56 S 09 08 54.742 +19 03 33.23 V C57
2021-11-03 19:33:56 s 1 -146725.57 8 +246704.87 2950.0 C57
2021-11-03 19:43:56 S 09 08 54.679 +19 04 02.35 V C57
2021-11-03 19:43:56 s 1 -146938.08 9 +246146.76 1050.0 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)