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
2003-09-09 21:46:56 C 17 27 50.39 +01 43 30.9 r 938
2003-09-09 22:04:50 C 17 27 50.88 +01 44 42.2 r 938
2003-09-12 20:39:51 C 17 31 05.90 +06 42 38.8 r 938
2003-09-12 21:01:03 C 17 31 06.63 +06 44 11.7 r 938
2003-09-12 21:18:33 C 17 31 07.29 +06 45 29.3 r 938
2003-09-14 18:44:02 C 17 33 29.90 +10 12 47.3 o 084
2003-09-14 19:12:31 C 17 33 31.89 +10 15 23.4 r 170
2003-09-14 19:14:19 C 17 33 31.97 +10 15 32.4 r 170
2003-09-14 19:16:07 C 17 33 32.04 +10 15 40.2 r 170
2003-09-14 19:17:54 C 17 33 32.10 +10 15 48.7 r 170
2003-09-14 19:19:41 C 17 33 32.19 +10 15 57.1 r 170
2003-09-14 19:21:26 C 17 33 32.24 +10 16 05.5 r 170
2003-09-15 10:49:32 C 17 34 22.150 +11 31 17.68 r 413
2003-09-15 10:51:42 C 17 34 22.235 +11 31 27.97 r 413
2003-09-15 10:53:51 C 17 34 22.329 +11 31 38.21 r 413
2003-09-15 18:46:46 C 17 34 51.44 +12 07 56.1 c 163
2003-09-15 18:48:14 C 17 34 51.46 +12 08 04.0 c 163
2003-09-15 18:49:43 C 17 34 51.51 +12 08 11.0 c 163
2003-09-15 18:51:12 C 17 34 51.56 +12 08 17.9 c 163
2003-09-15 18:52:39 C 17 34 51.67 +12 08 24.6 c 163
2003-09-15 19:02:43 C 17 34 51.76 +12 09 15.4 c 215
2003-09-15 19:03:26 C 17 34 51.78 +12 09 18.1 c 215
2003-09-15 19:04:01 C 17 34 51.81 +12 09 20.9 c 215
2003-09-15 20:28:31 C 17 34 56.24 +12 16 21.2 r 938
2003-09-15 20:47:13 C 17 34 57.01 +12 17 51.5 r 938
2003-09-16 19:22:43 C 17 36 17.43 +14 08 59.6 c 113
2003-09-16 19:23:49 C 17 36 17.48 +14 09 05.0 c 113
2003-09-16 19:24:54 C 17 36 17.51 +14 09 10.3 c 113
2003-09-16 19:25:58 C 17 36 17.57 +14 09 15.7 c 113
2003-09-16 19:27:03 C 17 36 17.62 +14 09 21.5 c 113
2003-09-17 19:50:38 C 17 37 48.17 +16 13 00.8 c 132
2003-09-17 19:54:57 C 17 37 48.38 +16 13 22.5 c 132
2003-09-17 19:59:15 C 17 37 48.57 +16 13 44.5 c 132
2003-09-18 02:56:36 C 17 38 16.54 +16 49 51.5 c 670
2003-09-18 04:25:03 C 17 38 20.52 +16 57 25.8 c 670
2003-09-18 21:07:58 C 17 39 26.27 +18 24 27.5 c 132
2003-09-18 21:10:05 C 17 39 26.41 +18 24 38.7 c 132
2003-09-18 21:18:57 C 17 39 26.89 +18 25 24.4 c 132
2003-09-19 19:26:24 C 17 40 59.32 +20 23 13.6 d 118
2003-09-19 19:29:33 C 17 40 59.49 +20 23 30.4 d 118
2003-09-19 19:32:14 C 17 40 59.64 +20 23 44.5 d 118
2003-09-19 19:33:30 C 17 40 59.73 +20 23 51.4 d 118
2003-09-19 19:34:58 C 17 41 00.14 +20 24 04.0 c 587
2003-09-19 19:36:33 C 17 41 00.21 +20 24 12.3 c 587
2003-09-19 19:38:09 C 17 41 00.32 +20 24 21.0 c 587
2003-09-19 19:39:44 C 17 41 00.40 +20 24 29.5 c 587
2003-09-19 20:08:30 C 17 41 02.10 +20 26 55.3 c 113
2003-09-19 20:09:23 C 17 41 02.17 +20 27 00.1 c 113
2003-09-19 20:10:19 C 17 41 02.20 +20 27 05.0 c 113
2003-09-19 20:11:13 C 17 41 02.25 +20 27 09.9 c 113
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)