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
2015-11-24 08:38:58 C 06 38 13.24 +48 24 13.5 u H21
2015-11-24 08:41:04 C 06 38 12.98 +48 24 12.3 u H21
2015-11-24 08:43:05 C 06 38 12.73 +48 24 11.2 u H21
2015-11-24 08:45:05 C 06 38 12.50 +48 24 10.2 u H21
2015-11-24 08:47:06 C 06 38 12.26 +48 24 09.0 u H21
2015-11-24 08:49:06 C 06 38 12.04 +48 24 08.0 u H21
2015-11-24 08:51:06 C 06 38 11.79 +48 24 06.6 u H21
2015-11-24 08:53:07 C 06 38 11.54 +48 24 05.4 u H21
2015-11-30 09:48:24 C 06 22 11.55 +46 56 54.6 u 926
2015-11-30 10:09:48 C 06 22 08.98 +46 56 39.9 u 926
2015-11-30 10:27:25 C 06 22 06.86 +46 56 27.9 u 926
2015-12-01 20:16:07 C 06 18 23.28 +46 33 15.6 q K30
2015-12-01 20:22:49 C 06 18 22.56 +46 33 11.2 q K30
2015-12-01 20:32:02 C 06 18 21.48 +46 33 05.6 17.8 q K30
2015-12-08 09:55:16 C 06 01 20.96 +44 34 59.9 L T05
2015-12-08 10:15:16 C 06 01 18.68 +44 34 44.4 L T05
2015-12-08 10:45:42 C 06 01 15.30 +44 34 20.4 L T05
2015-12-08 11:20:55 C 06 01 11.31 +44 33 52.6 L T05
2015-12-08 11:26:39 C 06 01 10.70 +44 33 47.2 L T05
2015-12-11 07:02:22 C 05 54 24.23 +43 37 58.9 q H45
2015-12-11 07:04:36 C 05 54 24.02 +43 37 56.7 q H45
2015-12-11 07:06:09 C 05 54 23.83 +43 37 55.5 q H45
2015-12-11 07:07:43 C 05 54 23.68 +43 37 53.9 q H45
2015-12-11 07:09:18 C 05 54 23.52 +43 37 52.3 q H45
2015-12-11 07:10:51 C 05 54 23.33 +43 37 51.2 q H45
2015-12-15 08:28:57 C 05 45 27.79 +42 14 23.9 t G52
2015-12-15 08:39:45 C 05 45 26.82 +42 14 14.4 t G52
2015-12-15 08:50:33 C 05 45 25.79 +42 14 05.3 t G52
2015-12-16 06:24:02 C 05 43 36.68 +41 55 18.6 u H15
2015-12-16 06:37:48 C 05 43 35.52 +41 55 06.4 u H15
2016-01-03 10:56:09 C 05 19 38.17 +35 50 21.8 u H15
2016-01-03 11:10:00 C 05 19 37.90 +35 50 09.8 u H15
2016-01-03 11:23:53 C 05 19 37.64 +35 49 59.6 u H15
2016-01-10 07:17:31 C 05 16 42.69 +33 55 21.2 u 926
2016-01-10 07:31:18 C 05 16 42.51 +33 55 11.8 u 926
2016-01-10 07:45:16 C 05 16 42.32 +33 55 02.6 u 926
2017-03-27 12:27:57 C 13 52 47.324 -22 11 09.77 L F51
2017-03-27 12:42:23 C 13 52 46.706 -22 11 08.41 L F51
2017-03-27 12:56:46 C 13 52 46.000 -22 11 07.67 L F51
2019-04-03 03:30:29 C 11 07 26.72 -01 54 31.5 u H21
2019-04-03 03:38:40 C 11 07 26.33 -01 54 29.3 u H21
2019-04-03 03:48:00 C 11 07 25.91 -01 54 25.6 u H21
2021-01-10 09:41:35 C 09 58 05.34 +14 07 08.5 V G96
2021-01-10 09:49:00 C 09 58 04.92 +14 07 09.3 V G96
2021-01-10 09:56:26 C 09 58 04.63 +14 07 10.1 V G96
2021-01-10 10:03:50 C 09 58 04.20 +14 07 11.2 V G96
2021-01-18 09:26:30 C 09 47 21.15 +14 34 08.4 V G96
2021-01-18 09:33:49 C 09 47 20.66 +14 34 09.6 V G96
2021-01-18 09:41:06 C 09 47 20.25 +14 34 10.6 V G96
2021-01-18 09:48:26 C 09 47 19.75 +14 34 11.4 V G96
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)