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
2015-08-11 00:29:19 C 21 59 45.29 -09 59 28.2 q C23
2015-08-11 00:31:45 C 21 59 45.71 -09 59 14.1 q C23
2015-08-11 00:34:13 C 21 59 46.18 -09 58 59.9 q C23
2015-08-11 00:36:25 C 21 59 46.58 -09 58 47.3 q C23
2015-08-11 00:38:38 C 21 59 46.98 -09 58 34.5 q C23
2015-08-11 06:07:55 C 22 00 55.28 -09 26 39.8 P V78
2015-08-11 06:26:34 C 22 00 58.68 -09 24 50.1 P V78
2015-08-11 06:46:23 C 22 01 02.28 -09 22 54.3 P V78
2015-08-11 09:42:39 C 22 01 33.77 -09 05 19.5 u H21
2015-08-11 09:44:43 C 22 01 34.15 -09 05 07.2 u H21
2015-08-11 09:46:47 C 22 01 34.55 -09 04 54.8 u H21
2015-08-11 09:48:51 C 22 01 34.94 -09 04 42.3 u H21
2015-08-11 09:50:55 C 22 01 35.33 -09 04 29.9 u H21
2015-08-11 09:52:59 C 22 01 35.72 -09 04 17.7 u H21
2015-08-11 09:55:03 C 22 01 36.11 -09 04 05.2 u H21
2015-08-11 09:57:07 C 22 01 36.51 -09 03 52.7 u H21
2015-08-11 09:58:59 C 22 01 36.85 -09 03 41.7 u H21
2015-08-12 03:45:05 C 22 05 33.25 -07 14 02.3 P V78
2015-08-12 03:59:44 C 22 05 36.23 -07 12 28.9 P V78
2015-08-12 04:15:21 C 22 05 39.40 -07 10 49.4 P V78
2015-08-12 08:03:10 C 22 06 24.16 -06 46 02.5 q H45
2015-08-12 08:04:10 C 22 06 24.36 -06 45 56.0 q H45
2015-08-12 08:05:02 C 22 06 24.53 -06 45 50.3 q H45
2015-08-12 08:06:40 C 22 06 24.85 -06 45 39.7 q H45
2015-08-12 08:07:56 C 22 06 25.09 -06 45 31.3 q H45
2015-08-12 08:09:15 C 22 06 25.36 -06 45 22.6 q H45
2015-08-12 21:21:50 C 22 09 32.03 -05 17 13.8 q C23
2015-08-12 21:28:13 C 22 09 33.38 -05 16 30.2 q C23
2015-08-12 21:34:21 C 22 09 34.69 -05 15 48.0 q C23
2015-08-12 21:40:29 C 22 09 36.05 -05 15 05.9 q C23
2015-08-12 21:46:37 C 22 09 37.37 -05 14 23.5 q C23
2015-08-12 21:52:46 C 22 09 38.68 -05 13 41.5 q C23
2015-08-12 21:58:54 C 22 09 40.04 -05 12 59.3 q C23
2015-08-12 22:05:02 C 22 09 41.34 -05 12 17.2 q C23
2015-08-12 22:11:10 C 22 09 42.67 -05 11 34.9 q C23
2015-08-12 22:17:19 C 22 09 43.99 -05 10 52.4 q C23
2015-08-12 22:22:58 C 22 09 45.19 -05 10 13.5 q C23
2015-08-13 04:45:42 C 22 11 16.56 -04 25 29.0 P V78
2015-08-13 04:53:17 C 22 11 18.22 -04 24 35.6 P V78
2015-08-13 04:56:21 C 22 11 18.86 -04 24 13.3 P V78
2015-08-14 06:01:11 C 22 17 34.68 -01 17 16.5 q H36
2015-08-14 06:04:01 C 22 17 35.34 -01 16 54.4 q H36
2015-08-14 06:07:48 C 22 17 36.22 -01 16 25.0 q H36
2015-08-14 06:13:33 C 22 17 37.56 -01 15 40.1 q H36
2015-08-14 06:55:52 C 22 17 47.25 -01 10 20.2 P V78
2015-08-14 07:09:55 C 22 17 50.56 -01 08 30.1 P V78
2015-08-14 07:29:21 C 22 17 55.14 -01 05 57.7 P V78
2015-08-14 07:33:20 C 22 17 57.44 -01 05 04.8 R G45
2015-08-14 07:40:31 C 22 17 59.11 -01 04 08.5 R G45
2015-08-14 07:40:36 C 22 17 59.11 -01 04 08.3 R G45
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)