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
2015-09-02 08:53:55 C 02 56 20.74 +61 40 51.0 u H21
2015-09-02 08:58:11 C 02 56 24.09 +61 40 59.9 u H21
2015-09-03 03:52:17 C 03 11 54.55 +62 13 54.1 q Z81
2015-09-03 03:58:14 C 03 12 02.15 +62 14 12.3 q G40
2015-09-03 03:59:29 C 03 12 03.09 +62 14 14.1 q G40
2015-09-03 04:01:56 C 03 12 04.89 +62 14 18.2 q G40
2015-09-03 04:04:28 C 03 12 06.83 +62 14 22.4 q G40
2015-09-03 04:13:29 C 03 12 10.49 +62 14 27.1 q Z81
2015-09-03 04:37:08 C 03 12 28.22 +62 15 03.1 q Z81
2015-09-03 08:49:03 C 03 15 54.62 +62 20 55.0 u H21
2015-09-03 08:51:34 C 03 15 56.53 +62 20 59.0 u H21
2015-09-03 08:54:06 C 03 15 58.42 +62 21 02.8 u H21
2015-09-03 08:56:38 C 03 16 00.31 +62 21 06.7 u H21
2015-09-03 08:59:10 C 03 16 02.20 +62 21 10.5 u H21
2015-09-03 09:01:41 C 03 16 04.09 +62 21 14.3 u H21
2015-09-03 09:04:13 C 03 16 05.98 +62 21 18.1 u H21
2015-09-03 09:06:45 C 03 16 07.88 +62 21 21.9 u H21
2015-09-03 09:09:17 C 03 16 09.75 +62 21 25.7 u H21
2015-09-03 09:11:48 C 03 16 11.64 +62 21 29.5 u H21
2015-09-03 09:14:20 C 03 16 13.54 +62 21 33.2 u H21
2015-09-03 09:16:52 C 03 16 15.42 +62 21 36.9 u H21
2015-09-03 09:19:39 C 03 16 17.49 +62 21 41.0 u H21
2015-09-03 09:33:28 C 03 16 31.74 +62 22 08.1 q V37
2015-09-03 09:39:16 C 03 16 36.05 +62 22 17.1 q V37
2015-09-03 09:44:54 C 03 16 40.22 +62 22 25.6 q V37
2015-09-03 09:50:56 C 03 16 44.73 +62 22 34.8 q V37
2015-09-03 09:56:36 C 03 16 48.93 +62 22 43.6 q V37
2015-09-03 10:09:37 C 03 16 58.58 +62 23 03.0 q V37
2015-09-03 10:15:59 C 03 17 03.24 +62 23 12.2 q V37
2015-09-03 10:21:46 C 03 17 07.51 +62 23 20.7 q V37
2015-09-03 10:27:24 C 03 17 11.70 +62 23 28.8 q V37
2015-09-03 10:33:12 C 03 17 15.98 +62 23 37.2 q V37
2015-09-04 03:37:53 C 03 30 36.22 +62 43 29.0 q Z81
2015-09-04 04:14:32 C 03 31 02.28 +62 44 08.8 q Z81
2015-09-04 04:45:50 C 03 31 24.46 +62 44 40.9 q Z81
2015-09-09 23:57:47 C 04 57 42.52 +62 54 27.4 q C23
2015-09-10 00:02:06 C 04 57 44.57 +62 54 26.6 q C23
2015-09-10 00:07:30 C 04 57 47.20 +62 54 24.7 q C23
2015-09-11 00:30:26 C 05 09 00.89 +62 41 10.7 q C23
2015-09-11 00:34:45 C 05 09 02.71 +62 41 09.0 q C23
2015-09-11 00:40:09 C 05 09 05.04 +62 41 06.8 q C23
2015-09-14 17:19:47 C 05 42 26.58 +61 38 52.9 q 168
2015-09-14 17:24:12 C 05 42 28.07 +61 38 50.2 q 168
2015-09-14 18:20:47 C 05 42 46.95 +61 38 13.9 q 168
2015-09-15 19:19:05 C 05 50 26.28 +61 19 09.1 q 168
2015-09-15 20:19:26 C 05 50 44.14 +61 18 31.3 q 168
2015-09-15 20:24:57 C 05 50 45.70 +61 18 27.4 q 168
2015-09-15 21:18:51 C 05 51 01.27 +61 17 53.6 q 168
2015-09-15 21:23:41 C 05 51 02.66 +61 17 50.6 q 168
2015-09-17 23:25:53 C 06 04 30.08 +60 38 30.9 q C23
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)