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
2015-08-23 20:09:55 C 23 53 17.73 +38 14 09.0 t 073
2015-08-23 20:40:07 C 23 53 35.73 +38 19 33.0 t 073
2015-08-23 20:45:42 C 23 53 33.49 +38 20 19.8 r 168
2015-08-23 21:40:26 C 23 54 11.35 +38 30 17.6 t 073
2015-08-23 21:54:41 C 23 54 14.16 +38 32 23.5 r 168
2015-08-23 21:57:42 C 23 54 15.94 +38 32 54.8 r 168
2015-08-23 22:09:59 C 23 54 28.65 +38 35 30.8 t 073
2015-08-23 22:40:21 C 23 54 46.47 +38 40 51.5 t 073
2015-08-23 23:10:00 C 23 55 03.73 +38 46 02.8 t 073
2015-08-24 06:12:43 C 23 59 34.21 +39 58 30.8 P V78
2015-08-24 06:19:36 C 23 59 38.40 +39 59 42.4 P V78
2015-08-24 06:24:21 C 23 59 41.25 +40 00 31.2 P V78
2015-08-24 19:22:07 C 00 08 16.79 +42 09 23.9 14.1 t 073
2015-08-24 19:51:29 C 00 08 35.98 +42 14 20.3 14.3 t 073
2015-08-24 20:21:27 C 00 08 55.43 +42 19 21.4 13.8 t 073
2015-08-24 20:52:22 C 00 09 15.48 +42 24 31.3 14.1 t 073
2015-08-24 21:21:16 C 00 09 34.08 +42 29 19.7 14.1 t 073
2015-08-24 22:50:39 C 00 10 31.13 +42 44 02.2 14.1 t 073
2015-08-24 23:20:55 C 00 10 50.35 +42 48 57.0 14.0 t 073
2015-08-24 23:51:14 C 00 11 09.60 +42 53 51.7 14.0 t 073
2015-08-25 00:20:52 C 00 11 28.41 +42 58 37.0 13.8 t 073
2015-08-25 02:52:54 C 00 13 22.68 +43 21 42.5 P V78
2015-08-25 03:00:52 C 00 13 28.09 +43 23 01.1 P V78
2015-08-25 03:06:10 C 00 13 31.74 +43 23 52.5 P V78
2015-08-25 19:07:33 C 00 24 48.88 +45 51 37.1 t 073
2015-08-25 19:37:47 C 00 25 10.32 +45 56 16.6 t 073
2015-08-25 20:07:36 C 00 25 31.38 +46 00 51.4 t 073
2015-08-25 20:38:34 C 00 25 53.04 +46 05 35.4 t 073
2015-08-25 21:07:35 C 00 26 13.27 +46 10 00.1 t 073
2015-08-25 21:33:36 C 00 26 34.32 +46 13 34.4 619
2015-08-25 21:37:46 C 00 26 34.23 +46 14 34.2 t 073
2015-08-25 21:41:42 C 00 26 40.04 +46 14 48.4 619
2015-08-25 22:07:59 C 00 26 55.07 +46 19 07.4 t 073
2015-08-25 22:37:51 C 00 27 15.62 +46 23 35.1 t 073
2015-08-25 22:40:53 C 00 27 20.11 +46 23 51.3 q 160
2015-08-25 22:42:38 C 00 27 21.33 +46 24 07.1 q 160
2015-08-25 22:44:48 C 00 27 22.84 +46 24 26.5 q 160
2015-08-25 23:08:19 C 00 27 36.52 +46 28 06.4 t 073
2015-08-25 23:33:45 C 00 27 53.93 +46 31 51.4 t 073
2015-08-26 02:35:13 C 00 30 15.06 +46 56 46.3 P V78
2015-08-26 02:47:45 C 00 30 24.30 +46 58 38.5 P V78
2015-08-26 02:54:11 C 00 30 29.08 +46 59 36.7 P V78
2015-08-26 03:48:34 C 00 31 09.86 +47 07 52.7 q H36
2015-08-26 03:51:16 C 00 31 11.82 +47 08 17.1 q H36
2015-08-26 03:53:27 C 00 31 13.39 +47 08 36.5 q H36
2015-08-26 03:54:31 C 00 31 14.17 +47 08 46.1 q H36
2015-08-26 22:31:07 C 00 45 17.24 +49 41 20.2 q 160
2015-08-26 22:33:41 C 00 45 19.14 +49 41 41.3 q 160
2015-08-26 22:36:13 C 00 45 21.03 +49 42 01.5 q 160
2015-08-27 04:09:11 C 00 49 41.72 +50 24 37.8 q 932
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)