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
2003-12-30 05:28:55 C 04 00 13.34 +36 02 31.6 18.6 c 704
2003-12-30 05:47:52 C 04 00 14.11 +36 02 15.9 18.7 c 704
2004-01-11 03:43:26 C 04 14 32.57 +32 46 20.2 19.2 c 644
2004-01-11 03:45:17 C 04 14 32.65 +32 46 19.3 19.3 c 644
2004-01-11 04:13:48 C 04 14 34.07 +32 46 03.4 19.5 c 644
2004-01-11 04:15:38 C 04 14 34.15 +32 46 02.3 19.3 c 644
2004-01-11 04:43:35 C 04 14 35.56 +32 45 46.3 19.5 c 644
2004-01-11 04:45:29 C 04 14 35.64 +32 45 45.2 19.6 c 644
2004-01-16 03:42:46 C 04 21 09.21 +31 42 52.1 18.9 c 644
2004-01-16 04:14:00 C 04 21 10.83 +31 42 36.9 19.2 c 644
2004-01-16 04:44:35 C 04 21 12.44 +31 42 21.7 19.2 c 644
2007-03-09 07:31:03 C 11 25 30.32 -02 59 44.9 o 291
2007-03-09 07:36:58 C 11 25 30.04 -02 59 43.7 o 291
2007-03-09 07:42:25 C 11 25 29.75 -02 59 42.2 o 291
2008-11-30 11:29:05 C 09 57 29.50 +17 02 49.5 o 291
2008-11-30 11:38:32 C 09 57 29.65 +17 02 48.0 o 291
2008-11-30 11:44:19 C 09 57 29.76 +17 02 47.2 o 291
2008-12-30 09:04:26 C 09 50 03.48 +16 29 25.0 r G96
2008-12-30 09:21:59 C 09 50 02.76 +16 29 25.7 r G96
2008-12-30 09:42:32 C 09 50 01.86 +16 29 27.8 r G96
2008-12-30 10:00:13 C 09 50 01.10 +16 29 29.6 r G96
2009-01-16 07:29:15 C 09 27 34.78 +17 18 32.9 o 691
2009-01-16 07:55:41 C 09 27 32.96 +17 18 36.9 o 691
2009-01-16 08:21:46 C 09 27 31.11 +17 18 40.6 o 691
2009-01-16 11:57:21 C 09 27 16.05 +17 19 13.4 r G96
2009-01-16 12:04:42 C 09 27 15.58 +17 19 14.7 r G96
2009-01-16 12:12:02 C 09 27 15.04 +17 19 16.0 r G96
2009-01-16 12:19:26 C 09 27 14.54 +17 19 16.6 r G96
2009-01-20 07:10:56 C 09 20 57.86 +17 32 58.9 o 691
2009-01-20 07:37:26 C 09 20 55.89 +17 33 02.9 o 691
2009-01-26 04:44:08 C 09 10 46.38 +17 53 53.8 o 691
2009-01-26 05:10:36 C 09 10 44.52 +17 53 58.7 o 691
2009-01-31 04:33:50 C 09 02 06.07 +18 10 03.9 o 691
2009-01-31 05:00:16 C 09 02 04.13 +18 10 07.5 o 691
2009-01-31 05:26:20 C 09 02 02.21 +18 10 11.0 o 691
2009-02-04 04:29:08 C 08 55 21.07 +18 21 19.7 o 691
2009-02-04 04:55:15 C 08 55 19.25 +18 21 22.7 o 691
2009-02-04 05:21:22 C 08 55 17.39 +18 21 25.8 o 691
2009-02-20 04:32:35 C 08 32 39.25 +18 47 22.7 o 691
2009-02-20 04:55:47 C 08 32 38.08 +18 47 23.7 o 691
2009-02-20 05:18:59 C 08 32 36.97 +18 47 24.1 o 691
2009-02-27 06:20:29 C 08 25 44.25 +18 49 03.5 r G96
2009-02-27 06:30:02 C 08 25 43.93 +18 49 03.9 r G96
2009-02-27 06:39:35 C 08 25 43.60 +18 49 03.2 r G96
2009-02-27 06:49:08 C 08 25 43.21 +18 49 03.2 r G96
2010-07-25 23:31:33 S 14 08 52.083 -21 35 26.63 L C51
2010-07-26 02:42:04 S 14 09 01.011 -21 35 21.40 L C51
2010-07-26 05:52:35 S 14 09 09.527 -21 35 19.30 L C51
2010-07-26 10:38:16 S 14 09 22.513 -21 35 17.43 L C51
2010-07-26 13:48:47 S 14 09 31.170 -21 35 14.45 L C51
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)