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
2015-08-04 05:31:23 C 21 34 04.02 -21 18 55.8 P V78
2015-08-04 06:00:32 C 21 34 07.05 -21 17 30.7 P V78
2015-08-04 22:37:21 C 21 36 14.03 -20 26 56.1 q C23
2015-08-04 22:39:50 C 21 36 14.31 -20 26 48.1 q C23
2015-08-04 22:42:18 C 21 36 14.57 -20 26 39.9 q C23
2015-08-04 22:44:46 C 21 36 14.85 -20 26 32.4 q C23
2015-08-04 22:47:15 C 21 36 15.13 -20 26 24.7 q C23
2015-08-04 22:48:54 C 21 36 15.36 -20 26 18.9 q C23
2015-08-05 05:00:30 C 21 37 04.60 -20 06 29.3 P V78
2015-08-05 05:16:27 C 21 37 06.39 -20 05 38.2 P V78
2015-08-05 05:39:14 C 21 37 09.07 -20 04 25.6 P V78
2015-08-05 22:55:58 C 21 39 29.28 -19 06 32.6 q C23
2015-08-05 22:58:11 C 21 39 29.55 -19 06 24.9 q C23
2015-08-05 23:00:38 C 21 39 29.85 -19 06 16.4 q C23
2015-08-05 23:02:51 C 21 39 30.14 -19 06 08.9 q C23
2015-08-05 23:04:49 C 21 39 30.37 -19 06 02.0 q C23
2015-08-05 23:06:47 C 21 39 30.61 -19 05 55.3 q C23
2015-08-06 04:16:20 C 21 40 11.73 -18 46 22.3 q Y00
2015-08-06 04:30:19 C 21 40 13.34 -18 45 32.4 q Y00
2015-08-06 04:44:19 C 21 40 14.96 -18 44 42.2 q Y00
2015-08-06 05:04:05 C 21 40 21.52 -18 44 53.9 P V78
2015-08-06 05:15:18 C 21 40 22.90 -18 44 15.1 P V78
2015-08-06 05:22:30 C 21 40 23.81 -18 43 49.6 P V78
2015-08-06 06:57:12 C 21 40 36.50 -18 38 02.0 R G45
2015-08-06 06:58:34 C 21 40 36.67 -18 37 56.8 R G45
2015-08-06 07:04:49 C 21 40 37.40 -18 37 34.8 R G45
2015-08-06 07:06:10 C 21 40 37.57 -18 37 29.6 R G45
2015-08-06 07:12:29 C 21 40 38.32 -18 37 07.2 R G45
2015-08-06 07:13:51 C 21 40 38.50 -18 37 02.4 R G45
2015-08-06 07:20:27 C 21 40 39.27 -18 36 39.1 R G45
2015-08-06 07:21:57 C 21 40 39.44 -18 36 33.6 R G45
2015-08-07 02:42:20 C 21 43 29.82 -17 22 58.4 q Y00
2015-08-07 02:56:26 C 21 43 31.57 -17 22 03.7 q Y00
2015-08-07 03:13:33 C 21 43 33.69 -17 20 57.4 q Y00
2015-08-08 04:23:36 C 21 47 31.62 -15 39 06.7 P V78
2015-08-08 04:29:01 C 21 47 32.42 -15 38 44.0 P V78
2015-08-08 04:33:28 C 21 47 33.03 -15 38 24.6 P V78
2015-08-09 04:19:24 C 21 51 33.06 -13 50 28.5 P V78
2015-08-09 04:23:04 C 21 51 33.59 -13 50 11.0 P V78
2015-08-09 04:25:58 C 21 51 34.08 -13 49 57.0 P V78
2015-08-10 04:11:29 C 21 55 52.50 -11 50 49.1 P V78
2015-08-10 04:22:04 C 21 55 54.28 -11 49 54.3 P V78
2015-08-10 04:42:29 C 21 55 57.78 -11 48 07.1 P V78
2015-08-10 22:08:28 C 21 59 20.69 -10 12 37.5 r 006
2015-08-10 22:11:45 C 21 59 21.28 -10 12 19.1 r 006
2015-08-10 22:14:16 C 21 59 21.73 -10 12 05.0 r 006
2015-08-10 22:17:41 C 21 59 22.34 -10 11 45.8 r 006
2015-08-10 22:20:45 C 21 59 22.88 -10 11 28.5 r 006
2015-08-10 22:24:07 C 21 59 23.49 -10 11 09.5 r 006
2015-08-11 00:27:36 C 21 59 44.99 -09 59 38.0 q C23
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)