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
2015-08-27 04:10:57 C 00 49 43.07 +50 24 51.7 q 932
2015-08-27 04:16:10 C 00 49 46.99 +50 25 32.5 q 932
2015-08-27 04:17:55 C 00 49 48.28 +50 25 46.1 q 932
2015-08-27 04:23:08 C 00 49 52.21 +50 26 26.8 q 932
2015-08-27 04:24:53 C 00 49 53.51 +50 26 40.5 q 932
2015-08-27 08:29:32 C 00 52 58.28 +50 57 34.6 q H21
2015-08-27 08:33:41 C 00 53 01.34 +50 58 04.9 q H21
2015-08-27 08:37:49 C 00 53 04.41 +50 58 35.2 q H21
2015-08-27 08:41:44 C 00 53 07.31 +50 59 04.0 q H21
2015-08-27 08:45:53 C 00 53 10.37 +50 59 34.3 q H21
2015-08-27 08:50:01 C 00 53 13.45 +51 00 04.5 q H21
2015-08-27 08:54:06 C 00 53 16.49 +51 00 34.4 q H21
2015-08-27 22:08:54 C 01 04 08.28 +52 33 17.3 q 160
2015-08-27 22:11:30 C 01 04 10.35 +52 33 35.8 q 160
2015-08-27 22:14:04 C 01 04 12.36 +52 33 54.1 q 160
2015-08-28 06:41:40 C 01 11 06.73 +53 30 14.1 u H21
2015-08-28 06:43:38 C 01 11 08.26 +53 30 27.2 u H21
2015-08-28 06:45:35 C 01 11 09.80 +53 30 40.1 u H21
2015-08-28 06:47:33 C 01 11 11.33 +53 30 52.8 u H21
2015-08-28 06:49:30 C 01 11 12.86 +53 31 05.7 u H21
2015-08-28 06:51:28 C 01 11 14.39 +53 31 18.6 u H21
2015-08-28 06:53:26 C 01 11 15.93 +53 31 31.6 u H21
2015-08-28 06:55:23 C 01 11 17.46 +53 31 44.6 u H21
2015-08-28 06:57:21 C 01 11 18.98 +53 31 57.4 u H21
2015-08-28 06:59:18 C 01 11 20.52 +53 32 10.3 u H21
2015-08-28 07:01:16 C 01 11 22.05 +53 32 23.1 u H21
2015-08-28 07:03:14 C 01 11 23.57 +53 32 35.9 u H21
2015-08-28 07:05:11 C 01 11 25.11 +53 32 48.7 u H21
2015-08-28 07:07:09 C 01 11 26.65 +53 33 01.4 u H21
2015-08-28 07:09:06 C 01 11 28.17 +53 33 14.1 u H21
2015-08-28 07:11:03 C 01 11 29.69 +53 33 27.1 u H21
2015-08-28 07:13:00 C 01 11 31.19 +53 33 39.6 u H21
2015-08-28 07:14:57 C 01 11 32.73 +53 33 52.3 u H21
2015-08-28 07:16:54 C 01 11 34.24 +53 34 05.3 u H21
2015-08-28 07:18:51 C 01 11 35.75 +53 34 17.9 u H21
2015-08-28 07:21:00 C 01 11 37.45 +53 34 32.0 u H21
2015-08-28 07:34:28 C 01 11 47.94 +53 35 59.4 u H21
2015-08-28 07:36:59 C 01 11 49.89 +53 36 15.7 u H21
2015-08-28 07:39:30 C 01 11 51.87 +53 36 32.1 u H21
2015-08-28 07:42:01 C 01 11 53.82 +53 36 48.4 u H21
2015-08-28 07:44:32 C 01 11 55.77 +53 37 04.5 u H21
2015-08-28 07:47:03 C 01 11 57.73 +53 37 20.8 u H21
2015-08-28 07:49:34 C 01 11 59.70 +53 37 37.0 u H21
2015-08-28 07:52:05 C 01 12 01.65 +53 37 53.1 u H21
2015-08-28 07:54:36 C 01 12 03.61 +53 38 09.4 u H21
2015-08-28 07:57:07 C 01 12 05.57 +53 38 25.6 u H21
2015-08-28 07:59:38 C 01 12 07.53 +53 38 41.7 u H21
2015-08-28 08:02:09 C 01 12 09.48 +53 38 57.9 u H21
2015-08-28 08:04:40 C 01 12 11.44 +53 39 13.9 u H21
2015-08-28 08:07:11 C 01 12 13.40 +53 39 30.1 u H21
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)