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
2003-11-22 02:03:54 C 03 24 13.36 +56 31 48.8 r 557
2003-11-23 04:31:52 C 03 25 35.93 +55 42 41.2 d H72
2003-11-23 04:35:06 C 03 25 35.99 +55 42 34.8 d H72
2003-11-23 04:38:21 C 03 25 36.00 +55 42 29.3 d H72
2003-11-23 04:41:36 C 03 25 36.12 +55 42 22.4 d H72
2003-11-25 18:10:16 C 03 28 25.67 +53 49 46.7 o 084
2003-11-27 02:37:56 C 03 29 47.34 +52 52 33.4 16.3 d H72
2003-11-27 02:41:26 C 03 29 47.52 +52 52 27.8 16.5 d H72
2003-11-27 02:44:56 C 03 29 47.60 +52 52 21.0 16.6 d H72
2003-11-27 02:48:26 C 03 29 47.65 +52 52 14.8 16.6 d H72
2003-11-27 04:09:31 C 03 29 49.77 +52 49 56.2 16.4 d H72
2003-11-27 06:13:41 C 03 29 53.02 +52 46 15.4 15.5 d H72
2003-11-27 06:17:10 C 03 29 53.11 +52 46 09.2 16.7 d H72
2003-11-27 10:12:37 C 03 30 00.60 +52 38 58.0 16.4 d H72
2003-11-27 10:16:12 C 03 30 00.74 +52 38 50.0 15.4 d H72
2003-11-29 19:57:33 C 03 32 20.16 +51 00 13.1 17.4 c 130
2003-11-29 20:01:11 C 03 32 20.25 +51 00 07.0 17.4 c 130
2003-11-29 20:04:50 C 03 32 20.35 +51 00 00.9 17.5 c 130
2003-11-30 01:31:42 C 03 32 33.48 +50 51 01.5 17.0 d H72
2003-11-30 01:35:52 C 03 32 33.51 +50 50 54.3 16.8 d H72
2003-11-30 01:39:31 C 03 32 33.69 +50 50 48.4 16.8 d H72
2003-11-30 01:43:11 C 03 32 33.68 +50 50 42.3 16.5 d H72
2003-12-05 05:38:06 C 03 36 58.92 +47 33 07.2 17.9 c 704
2003-12-05 05:53:52 C 03 36 59.27 +47 32 44.1 18.3 c 704
2003-12-05 06:09:45 C 03 36 59.67 +47 32 18.8 18.2 c 704
2003-12-05 06:25:29 C 03 37 00.08 +47 31 55.5 18.0 c 704
2003-12-05 06:41:21 C 03 37 00.43 +47 31 30.7 18.1 c 704
2003-12-09 18:39:02 C 03 40 47.46 +44 55 02.4 o 084
2003-12-12 21:26:41 C 03 43 25.97 +43 15 35.2 o 213
2003-12-12 21:30:01 C 03 43 26.10 +43 15 29.8 o 213
2003-12-12 21:47:00 C 03 43 26.60 +43 15 08.7 o 213
2003-12-12 23:26:07 C 03 43 29.10 +43 12 58.5 126
2003-12-12 23:31:26 C 03 43 29.28 +43 12 51.5 126
2003-12-12 23:33:42 C 03 43 29.35 +43 12 48.5 126
2003-12-12 23:43:09 C 03 43 29.68 +43 12 35.9 126
2003-12-13 19:48:59 C 03 44 14.69 +42 47 05.0 c 104
2003-12-13 19:53:55 C 03 44 14.83 +42 46 58.9 c 104
2003-12-13 20:01:26 C 03 44 15.05 +42 46 49.5 c 104
2003-12-13 20:22:38 C 03 44 15.85 +42 46 17.5 441
2003-12-13 20:31:29 C 03 44 16.15 +42 46 06.4 441
2003-12-14 20:15:38 C 03 45 07.93 +42 16 36.9 441
2003-12-14 20:19:50 C 03 45 08.01 +42 16 32.0 441
2003-12-15 05:08:57 C 03 45 26.79 +42 05 56.7 18.2 c 704
2003-12-15 05:27:43 C 03 45 27.34 +42 05 33.8 18.0 c 704
2003-12-15 05:47:17 C 03 45 27.89 +42 05 09.8 18.2 c 704
2003-12-15 06:06:19 C 03 45 28.44 +42 04 46.8 18.4 c 704
2003-12-16 01:10:28 C 03 46 10.08 +41 41 38.7 c J92
2003-12-16 01:13:29 C 03 46 10.23 +41 41 34.6 c J92
2003-12-16 01:16:32 C 03 46 10.39 +41 41 30.7 c J92
2003-12-16 01:19:33 C 03 46 10.42 +41 41 27.5 c J92
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)