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
2002-02-13 07:46:09 C 10 29 59.130 +06 22 43.51 e 645
2002-02-13 07:51:09 C 10 29 58.828 +06 22 44.64 22.39 e 645
2003-09-01 02:59:53 C 17 21 14.04 -10 24 03.3 18.5 c 704
2003-09-01 03:17:10 C 17 21 14.04 -10 23 12.0 17.5 c 704
2003-09-01 03:34:24 C 17 21 14.12 -10 22 20.9 17.5 c 704
2003-09-01 03:51:27 C 17 21 14.20 -10 21 30.1 17.5 c 704
2003-09-01 04:08:47 C 17 21 14.35 -10 20 38.9 17.3 c 704
2003-09-01 20:47:36 C 17 21 35.70 -09 31 03.1 c 046
2003-09-01 21:13:43 C 17 21 36.08 -09 29 43.1 c 046
2003-09-01 21:15:08 C 17 21 36.09 -09 29 38.7 c 046
2003-09-01 21:16:09 C 17 21 36.10 -09 29 35.2 c 046
2003-09-01 21:17:47 C 17 21 36.15 -09 29 30.6 c 046
2003-09-01 23:18:29 C 17 21 41.21 -09 22 05.6 d 808
2003-09-01 23:20:30 C 17 21 41.37 -09 21 58.5 d 808
2003-09-01 23:49:50 C 17 21 41.40 -09 20 29.9 d 808
2003-09-01 23:53:00 C 17 21 41.45 -09 20 21.2 d 808
2003-09-02 03:05:04 C 17 21 45.85 -09 11 46.9 c 673
2003-09-02 03:06:54 C 17 21 45.86 -09 11 41.3 c 673
2003-09-02 03:09:35 C 17 21 45.88 -09 11 33.2 c 673
2003-09-02 03:14:15 C 17 21 45.91 -09 11 19.0 c 673
2003-09-02 03:34:06 C 17 21 45.38 -09 10 16.6 17.2 c 704
2003-09-02 03:36:09 C 17 21 45.31 -09 10 11.1 17.0 c 704
2003-09-02 03:37:22 C 17 21 44.70 -09 10 14.1 c 762
2003-09-02 03:41:25 C 17 21 44.78 -09 10 01.5 c 762
2003-09-02 03:44:37 C 17 21 44.80 -09 09 50.7 c 762
2003-09-02 03:50:36 C 17 21 44.91 -09 09 33.0 c 762
2003-09-02 03:51:27 C 17 21 45.53 -09 09 23.7 17.3 c 704
2003-09-02 03:53:44 C 17 21 45.40 -09 09 17.6 17.8 c 704
2003-09-02 03:56:49 C 17 21 45.09 -09 09 13.8 c 762
2003-09-02 04:08:51 C 17 21 45.58 -09 08 30.3 18.8 c 704
2003-09-02 04:11:15 C 17 21 45.66 -09 08 22.5 17.0 c 704
2003-09-02 04:22:37 C 17 21 45.41 -09 07 54.1 c 762
2003-09-02 04:32:32 C 17 21 45.87 -09 07 16.2 r 448
2003-09-02 04:54:31 C 17 21 46.10 -09 06 08.1 r 448
2003-09-02 05:02:58 C 17 21 46.21 -09 05 41.8 r 448
2003-09-02 05:08:44 C 17 21 46.29 -09 05 24.0 r 448
2003-09-02 11:43:02 C 17 21 55.49 -08 44 04.8 r 428
2003-09-02 11:45:56 C 17 21 55.52 -08 43 55.7 r 428
2003-09-02 11:51:45 C 17 21 55.56 -08 43 38.0 r 428
2003-09-02 21:28:42 C 17 22 10.38 -08 14 58.7 c 204
2003-09-02 21:31:47 C 17 22 10.43 -08 14 49.0 c 204
2003-09-02 21:33:29 C 17 22 10.44 -08 14 43.3 c 204
2003-09-02 21:35:00 C 17 22 10.49 -08 14 38.4 c 204
2003-09-03 19:00:00 C 17 22 45.55 -07 06 30.3 c 046
2003-09-03 19:01:18 C 17 22 45.28 -07 06 25.7 d 118
2003-09-03 19:04:09 C 17 22 45.43 -07 06 15.9 d 118
2003-09-03 19:07:32 C 17 22 45.51 -07 06 05.2 d 118
2003-09-03 19:08:10 C 17 22 45.68 -07 06 03.4 c 046
2003-09-03 19:09:20 C 17 22 45.66 -07 05 58.4 c 046
2003-09-03 19:11:46 C 17 22 45.57 -07 05 51.4 d 118
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)