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
2010-07-26 16:59:18 S 14 09 39.802 -21 35 11.78 L C51
2011-01-30 05:24:29 C 00 37 58.998 +10 55 21.93 L F51
2011-01-30 05:30:23 C 00 38 00.014 +10 55 28.12 L F51
2011-01-30 05:43:09 C 00 38 02.189 +10 55 40.75 L F51
2014-02-23 08:43:44 C 10 28 10.633 +05 40 52.70 L F51
2014-02-23 08:59:56 C 10 28 09.667 +05 40 56.59 L F51
2014-02-26 11:10:06 C 10 23 51.202 +05 58 53.12 L F51
2014-02-26 11:26:48 C 10 23 50.212 +05 58 57.14 L F51
2014-02-26 11:43:27 C 10 23 49.212 +05 59 01.31 L F51
2014-03-06 07:03:25 C 10 13 22.83 +06 43 37.6 q G96
2014-03-06 07:12:31 C 10 13 22.31 +06 43 40.3 q G96
2014-03-06 07:24:51 C 10 13 21.59 +06 43 43.0 q G96
2014-03-06 07:42:47 C 10 13 20.72 +06 43 46.8 q G96
2015-05-19 13:43:38 C 19 40 27.662 -33 32 46.57 L F51
2015-05-19 13:58:04 C 19 40 28.578 -33 32 47.57 L F51
2015-05-19 14:12:23 C 19 40 29.476 -33 32 48.66 L F51
2015-05-19 14:26:45 C 19 40 30.394 -33 32 49.57 L F51
2015-06-01 05:12:40 C 20 00 03.52 -33 51 30.2 u 807
2015-06-01 05:17:11 C 20 00 03.77 -33 51 30.4 u 807
2015-06-01 05:22:05 C 20 00 04.03 -33 51 30.9 u 807
2015-06-01 05:26:31 C 20 00 04.28 -33 51 31.1 u 807
2015-06-01 05:31:27 C 20 00 04.58 -33 51 31.4 u 807
2015-06-09 13:38:15 C 20 12 04.078 -34 01 38.01 L F51
2015-06-09 13:49:49 C 20 12 04.683 -34 01 38.50 L F51
2015-06-09 14:01:26 C 20 12 05.299 -34 01 38.90 L F51
2015-06-09 14:13:01 C 20 12 05.899 -34 01 39.31 L F51
2015-06-11 13:43:01 C 20 14 49.906 -34 03 28.49 L F51
2015-06-11 13:54:39 C 20 14 50.505 -34 03 28.82 L F51
2015-06-11 14:06:16 C 20 14 51.101 -34 03 29.23 L F51
2015-06-11 14:17:50 C 20 14 51.694 -34 03 29.51 L F51
2015-06-27 04:14:07 C 20 34 51.36 -34 00 46.9 u 807
2015-06-27 04:17:40 C 20 34 51.52 -34 00 46.8 u 807
2015-06-27 04:21:57 C 20 34 51.71 -34 00 46.6 u 807
2015-06-27 04:25:53 C 20 34 51.89 -34 00 46.5 u 807
2015-07-16 07:09:38 C 20 58 07.12 -32 02 05.0 q Y00
2015-07-16 07:26:50 C 20 58 07.90 -32 01 54.5 q Y00
2015-07-16 07:40:03 C 20 58 08.51 -32 01 46.2 q Y00
2015-07-23 00:43:41 C 21 07 50.99 -29 59 23.8 q Y00
2015-07-23 00:57:30 C 21 07 51.75 -29 59 11.1 q Y00
2015-07-23 01:11:30 C 21 07 52.52 -29 58 57.9 q Y00
2015-08-02 06:41:11 C 21 28 35.35 -23 24 54.4 P V78
2015-08-02 07:08:53 C 21 28 37.90 -23 23 46.1 P V78
2015-08-02 07:23:58 C 21 28 39.35 -23 23 09.5 P V78
2015-08-03 05:39:44 C 21 31 12.00 -22 25 57.5 P V78
2015-08-03 05:58:11 C 21 31 13.85 -22 25 09.3 P V78
2015-08-03 06:21:59 C 21 31 16.25 -22 24 06.1 P V78
2015-08-04 02:37:07 C 21 33 42.45 -21 26 12.6 r Y00
2015-08-04 02:38:36 C 21 33 42.60 -21 26 08.7 r Y00
2015-08-04 02:39:56 C 21 33 42.74 -21 26 05.0 r Y00
2015-08-04 04:52:06 C 21 33 59.81 -21 20 49.8 P V78
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)