206378 (2003 RB)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4389834079 ± 2.51e-09
Semi-major axis (a)1.7882850163 AU ± 2.09e-10
Inclination (i)6.72381001° ± 8.43e-07
Long. of Asc. Node (Ω)317.11757796° ± 2.46e-06
Arg. of Perihelion (ω)44.08000456° ± 2.71e-06
Mean Anomaly (M)91.84604054° ± 4.34e-07
Mean Motion (n)0.4121517703°/day ± 7.22e-11
Perihelion dist (q)1.00325757 AU ± 4.50e-09
Aphelion dist (Q)2.57331247 AU ± 4.51e-09
Orbital Period2.39141587 yr ± 4.19e-10
Physical Parameters
H (abs. magnitude)18.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.299″
Uncertainty0
Orbit TypeApollo
MOID0.043495 AU
Observations Used1404
Radar Obs Used8
Oppositions8
Arc Total2002-2026
First Observation Used2002-02-13
Last Observation Used2026-02-24
Observations (1442)
Date Type RA Dec Mag Band Observatory
2003-09-28 21:36:07 C 18 01 19.79 +41 15 54.7 o 940
2003-09-28 21:37:31 C 18 01 19.88 +41 16 03.8 o 940
2003-09-28 21:41:45 C 18 01 20.38 +41 16 27.9 o 940
2003-09-28 21:43:09 C 18 01 20.48 +41 16 35.2 o 940
2003-09-28 21:44:35 C 18 01 20.72 +41 16 43.3 o 940
2003-09-28 21:45:58 C 18 01 20.87 +41 16 50.7 o 940
2003-09-28 21:47:21 C 18 01 21.01 +41 16 59.8 o 940
2003-09-28 21:48:49 C 18 01 21.29 +41 17 08.8 o 940
2003-09-28 21:50:12 C 18 01 21.38 +41 17 15.3 o 940
2003-09-28 21:51:35 C 18 01 21.57 +41 17 24.3 o 940
2003-09-28 21:53:03 C 18 01 21.62 +41 17 31.8 o 940
2003-09-28 21:54:25 C 18 01 21.83 +41 17 40.0 o 940
2003-09-28 21:55:54 C 18 01 21.80 +41 17 48.4 o 940
2003-09-28 21:57:22 C 18 01 22.17 +41 17 56.4 o 940
2003-09-28 21:58:40 C 18 01 22.37 +41 18 04.7 o 940
2003-09-28 22:00:08 C 18 01 22.51 +41 18 13.1 o 940
2003-09-29 21:00:03 C 18 04 20.47 +43 33 05.7 o 084
2003-09-30 09:52:25 C 18 06 07.60 +44 49 33.2 300
2003-09-30 09:54:21 C 18 06 07.75 +44 49 43.5 300
2003-09-30 09:56:15 C 18 06 07.95 +44 49 54.2 300
2003-09-30 09:58:09 C 18 06 08.15 +44 50 05.8 300
2003-09-30 10:00:03 C 18 06 08.34 +44 50 16.7 300
2003-09-30 10:02:00 C 18 06 08.50 +44 50 26.9 300
2003-10-03 10:49:22 C 18 17 34.17 +51 47 52.5 m 379
2003-10-03 10:55:41 C 18 17 35.27 +51 48 28.6 m 379
2003-10-04 11:34:07 C 18 22 10.60 +54 05 05.1 m 379
2003-10-04 11:40:24 C 18 22 11.80 +54 05 38.3 m 379
2003-10-04 11:48:10 C 18 22 13.12 +54 06 20.6 m 379
2003-10-04 11:57:38 C 18 22 14.78 +54 07 09.9 m 379
2003-10-04 20:05:14 C 18 23 54.77 +54 51 45.4 c 938
2003-10-04 20:07:35 C 18 23 55.21 +54 51 58.4 c 938
2003-10-04 20:09:55 C 18 23 55.58 +54 52 11.2 c 938
2003-10-04 20:12:15 C 18 23 56.14 +54 52 23.5 c 938
2003-10-04 20:14:36 C 18 23 56.36 +54 52 35.6 c 938
2003-10-04 20:16:56 C 18 23 56.81 +54 52 47.6 c 938
2003-10-04 20:19:18 C 18 23 57.22 +54 53 00.4 c 938
2003-10-04 20:21:39 C 18 23 57.73 +54 53 12.0 c 938
2003-10-04 20:23:59 C 18 23 58.04 +54 53 25.1 c 938
2003-10-04 20:26:19 C 18 23 58.45 +54 53 37.5 c 938
2003-10-07 20:51:46 C 18 41 03.81 +61 12 21.6 c 938
2003-10-07 21:04:22 C 18 41 06.89 +61 13 22.1 c 938
2003-10-07 21:21:31 C 18 41 11.08 +61 14 44.9 c 938
2003-10-08 09:38:44 C 18 44 44.38 +62 15 52.8 300
2003-10-08 09:43:30 C 18 44 45.73 +62 16 16.6 300
2003-10-08 09:45:00 C 18 44 46.01 +62 16 24.7 300
2003-10-08 09:46:31 C 18 44 46.16 +62 16 31.6 300
2003-10-08 09:48:03 C 18 44 46.81 +62 16 39.4 300
2003-10-08 19:38:40 C 18 47 40.35 +63 03 36.2 o 084
2003-10-10 22:07:19 C 19 05 05.54 +66 56 15.5 o 084
2003-10-13 03:27:31 C 19 29 06.26 +70 38 16.8 16.2 c 704
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-08-17 07:10:00 215783.582 0.4 Hz 8560 -14 -14
2015-08-17 07:30:00 58158178.08 3 us 8560 -14 -14
2015-08-17 08:00:00 58113634.31 1 us 8560 -14 -14
2015-08-18 05:05:00 48462.7693 0.1 Hz 2380 -1 -1
2015-08-18 05:50:00 56381147.98 0.5 us 2380 -1 -1
2015-08-20 09:40:00 74891.613 0.3 Hz 8560 -14 -14
2015-08-20 09:50:00 53653534.82 3 us 8560 -14 -14
2015-08-25 09:30:00 55329017.858 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)