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
2021-02-05 06:54:36 C 09 18 30.23 +15 46 12.5 V G96
2021-02-05 07:02:40 C 09 18 29.66 +15 46 13.7 V G96
2021-02-05 07:10:45 C 09 18 29.09 +15 46 15.1 V G96
2021-02-05 07:18:49 C 09 18 28.54 +15 46 16.2 V G96
2021-02-06 08:31:38 C 09 16 45.733 +15 50 14.93 U F52
2021-02-06 09:21:13 C 09 16 42.264 +15 50 23.17 U F52
2021-02-07 09:01:43 C 09 15 06.300 +15 54 01.02 U F51
2021-02-07 09:18:29 C 09 15 05.136 +15 54 03.53 U F51
2021-02-12 08:55:23 C 09 07 15.378 +16 11 05.05 U F52
2021-02-12 09:12:00 C 09 07 14.275 +16 11 07.49 U F52
2021-02-12 09:28:42 C 09 07 13.182 +16 11 09.47 U F52
2022-05-22 09:36:57 C 15 00 17.927 -31 27 41.94 U F52
2022-05-22 09:53:23 C 15 00 16.618 -31 27 37.42 U F52
2022-05-22 10:09:51 C 15 00 15.353 -31 27 32.74 U F52
2022-05-22 10:26:21 C 15 00 14.057 -31 27 27.88 U F52
2022-05-23 07:45:47 C 14 58 38.281 -31 21 16.61 U F52
2022-05-23 08:00:26 C 14 58 37.140 -31 21 12.55 U F52
2022-05-23 08:15:02 C 14 58 36.006 -31 21 08.22 U F52
2022-05-23 08:29:42 C 14 58 34.861 -31 21 04.02 U F52
2022-06-06 06:43:55 C 14 35 31.584 -29 18 36.77 U F52
2022-06-06 06:59:32 C 14 35 30.605 -29 18 30.33 U F52
2022-06-06 07:15:19 C 14 35 29.625 -29 18 23.95 U F52
2026-02-12 18:15:31 C 11 00 53.699 +02 16 09.61 W O18
2026-02-12 19:49:48 C 11 00 48.709 +02 16 27.99 W O18
2026-02-13 09:54:15 C 11 00 05.059 +02 19 14.00 X F51
2026-02-13 10:33:28 C 11 00 02.948 +02 19 21.69 X F51
2026-02-13 10:53:05 C 11 00 01.890 +02 19 25.71 X F51
2026-02-19 19:08:00 C 10 51 46.123 +02 51 59.07 W O18
2026-02-19 21:55:44 C 10 51 36.540 +02 52 37.26 W O18
2026-02-21 18:25:00 C 10 49 06.654 +03 02 59.12 W O18
2026-02-21 20:54:02 C 10 48 58.035 +03 03 34.23 W O18
2026-02-21 20:54:52 C 10 48 57.997 +03 03 34.43 W O18
2026-02-23 07:44:14 C 10 46 59.732 +03 11 54.10 V G96
2026-02-23 07:52:17 C 10 46 59.268 +03 11 56.29 V G96
2026-02-23 08:00:16 C 10 46 58.789 +03 11 57.77 V G96
2026-02-23 08:08:17 C 10 46 58.282 +03 12 00.18 V G96
2026-02-24 00:48:36 B 10 46 01.517 +03 16 01.96 Z J43
2026-02-24 01:05:57 B 10 46 00.487 +03 16 05.66 Z J43
2026-02-24 01:23:17 B 10 45 59.443 +03 16 10.81 Z J43
2026-02-24 06:41:19 C 10 45 41.436 +03 17 28.32 V G96
2026-02-24 06:48:44 C 10 45 41.029 +03 17 29.33 V G96
2026-02-24 07:03:34 C 10 45 40.086 +03 17 34.37 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)