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
2003-09-03 20:08:34 C 17 22 47.01 -07 02 48.3 c 163
2003-09-03 20:10:08 C 17 22 47.03 -07 02 43.3 c 163
2003-09-03 20:13:27 C 17 22 47.07 -07 02 32.6 c 163
2003-09-03 20:16:45 C 17 22 47.14 -07 02 21.2 c 163
2003-09-03 20:18:16 C 17 22 47.15 -07 02 16.2 c 163
2003-09-04 02:53:20 C 17 22 58.49 -06 40 37.1 r 448
2003-09-04 02:54:28 C 17 22 58.56 -06 40 34.4 17.1 c 704
2003-09-04 03:04:31 C 17 22 58.60 -06 40 00.4 r 448
2003-09-04 03:12:47 C 17 22 58.77 -06 39 34.4 17.2 c 704
2003-09-04 03:22:44 C 17 22 58.83 -06 39 00.2 r 448
2003-09-04 03:30:43 C 17 22 58.94 -06 38 34.3 r 448
2003-09-04 03:36:42 C 17 22 59.03 -06 38 14.5 r 448
2003-09-04 03:49:12 C 17 22 59.24 -06 37 34.6 17.5 c 704
2003-09-04 04:07:12 C 17 22 59.51 -06 36 35.5 17.1 c 704
2003-09-07 10:23:50 C 17 25 31.337 -02 03 17.91 r 413
2003-09-07 10:25:50 C 17 25 31.375 -02 03 10.46 r 413
2003-09-07 10:27:50 C 17 25 31.420 -02 03 03.02 r 413
2003-09-08 03:24:08 C 17 26 09.19 -01 01 14.2 r 448
2003-09-08 03:25:00 C 17 26 09.19 -01 01 11.0 r 448
2003-09-08 03:25:40 C 17 26 09.22 -01 01 08.4 r 448
2003-09-08 12:14:00 C 17 26 27.99 -00 26 23.8 r 413
2003-09-08 12:16:00 C 17 26 28.03 -00 26 16.1 r 413
2003-09-08 12:18:00 C 17 26 28.09 -00 26 08.5 r 413
2003-09-08 19:00:14 C 17 26 45.47 -00 02 00.0 d A50
2003-09-08 19:02:46 C 17 26 45.54 -00 01 50.4 d A50
2003-09-08 19:05:33 C 17 26 45.63 -00 01 39.8 d A50
2003-09-08 19:08:21 C 17 26 45.72 -00 01 28.4 d A50
2003-09-08 19:10:35 C 17 26 45.76 -00 01 19.9 d A50
2003-09-08 19:13:55 C 17 26 45.90 -00 01 07.4 d A50
2003-09-08 19:15:03 C 17 26 45.90 -00 01 03.5 d A50
2003-09-08 19:16:43 C 17 26 45.96 -00 00 56.4 d A50
2003-09-08 19:17:17 C 17 26 45.95 -00 00 54.4 d A50
2003-09-09 18:51:14 C 17 27 44.10 +01 31 40.8 c 461
2003-09-09 18:52:24 C 17 27 44.10 +01 31 45.7 c 461
2003-09-09 18:53:35 C 17 27 44.24 +01 31 49.8 c 461
2003-09-09 18:54:46 C 17 27 44.22 +01 31 53.7 c 461
2003-09-09 18:55:56 C 17 27 44.22 +01 31 58.7 c 461
2003-09-09 19:48:54 C 17 27 45.57 +01 35 27.2 d A50
2003-09-09 19:51:08 C 17 27 45.66 +01 35 36.6 d A50
2003-09-09 19:53:55 C 17 27 45.76 +01 35 48.4 d A50
2003-09-09 19:57:16 C 17 27 45.84 +01 36 01.7 d A50
2003-09-09 20:00:04 C 17 27 45.92 +01 36 11.4 d A50
2003-09-09 20:02:17 C 17 27 46.04 +01 36 21.1 d A50
2003-09-09 20:04:31 C 17 27 46.11 +01 36 29.8 d A50
2003-09-09 20:06:45 C 17 27 46.20 +01 36 39.1 d A50
2003-09-09 20:09:23 C 17 27 46.33 +01 36 51.3 d A50
2003-09-09 20:11:12 C 17 27 46.36 +01 36 57.3 d A50
2003-09-09 20:43:45 C 17 27 48.62 +01 39 17.8 r 938
2003-09-09 20:56:04 C 17 27 49.02 +01 40 06.4 r 938
2003-09-09 21:13:18 C 17 27 49.35 +01 41 16.5 r 938
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)