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
2015-08-14 07:47:59 C 22 18 00.84 -01 03 10.1 R G45
2015-08-14 07:55:10 C 22 18 02.50 -01 02 13.3 R G45
2015-08-14 07:55:16 C 22 18 02.50 -01 02 13.0 R G45
2015-08-14 08:02:09 C 22 18 04.12 -01 01 18.5 R G45
2015-08-14 17:58:47 C 22 20 40.65 +00 18 24.0 o 300
2015-08-14 18:01:05 C 22 20 41.20 +00 18 42.6 o 300
2015-08-14 18:03:24 C 22 20 41.77 +00 19 02.0 o 300
2015-08-14 18:08:01 C 22 20 42.93 +00 19 39.7 o 300
2015-08-14 18:10:19 C 22 20 43.48 +00 19 58.1 o 300
2015-08-15 06:08:16 C 22 24 09.95 +01 59 33.5 P V78
2015-08-15 06:19:14 C 22 24 12.80 +02 01 06.9 P V78
2015-08-15 06:28:18 C 22 24 15.14 +02 02 24.5 P V78
2015-08-15 12:26:48 C 22 26 03.69 +02 54 17.0 o 300
2015-08-15 12:33:25 C 22 26 05.49 +02 55 14.7 o 300
2015-08-15 12:41:04 C 22 26 07.57 +02 56 21.7 o 300
2015-08-15 12:47:42 C 22 26 09.36 +02 57 19.6 o 300
2015-08-15 12:54:15 C 22 26 11.14 +02 58 17.1 o 300
2015-08-15 21:51:48 C 22 28 48.73 +04 17 13.5 q G34
2015-08-15 21:56:04 C 22 28 49.92 +04 17 51.8 q G34
2015-08-15 22:04:33 C 22 28 52.29 +04 19 08.4 q G34
2015-08-15 22:13:03 C 22 28 54.67 +04 20 25.0 q G34
2015-08-16 04:09:27 C 22 30 45.98 +05 14 34.8 P V78
2015-08-16 04:15:37 C 22 30 47.76 +05 15 31.6 P V78
2015-08-16 04:32:01 C 22 30 52.48 +05 18 02.8 P V78
2015-08-17 06:01:41 C 22 39 08.10 +09 21 54.1 P V78
2015-08-17 06:06:59 C 22 39 09.73 +09 22 45.9 P V78
2015-08-17 06:12:23 C 22 39 11.45 +09 23 39.5 P V78
2015-08-18 05:06:01 C 22 47 23.59 +13 17 37.7 P V78
2015-08-18 05:23:42 C 22 47 29.67 +13 20 44.8 P V78
2015-08-18 05:37:41 C 22 47 34.51 +13 23 12.3 P V78
2015-08-18 12:08:02 C 22 50 05.30 +14 35 11.0 q Q65
2015-08-18 13:04:18 C 22 50 25.06 +14 45 15.4 q Q65
2015-08-18 13:30:12 C 22 50 34.08 +14 49 53.5 q Q65
2015-08-18 13:55:42 C 22 50 42.95 +14 54 28.0 q Q65
2015-08-18 14:21:20 C 22 50 51.82 +14 59 02.4 q Q65
2015-08-18 14:47:49 C 22 51 01.01 +15 03 47.8 q Q65
2015-08-18 15:14:03 C 22 51 10.14 +15 08 29.5 q Q65
2015-08-18 15:39:17 C 22 51 18.91 +15 12 59.7 q Q65
2015-08-18 16:04:55 C 22 51 27.83 +15 17 34.4 q Q65
2015-08-18 16:31:05 C 22 51 36.98 +15 22 14.2 q Q65
2015-08-18 16:56:47 C 22 51 46.05 +15 26 48.8 q Q65
2015-08-19 22:39:34 C 23 04 10.45 +20 50 41.3 q C23
2015-08-19 22:42:01 C 23 04 11.46 +20 51 08.8 q C23
2015-08-19 22:44:29 C 23 04 12.47 +20 51 36.5 q C23
2015-08-19 22:46:56 C 23 04 13.49 +20 52 04.3 q C23
2015-08-19 22:49:23 C 23 04 14.49 +20 52 32.2 q C23
2015-08-19 22:50:51 C 23 04 15.09 +20 52 48.9 q C23
2015-08-20 00:33:46 C 23 04 56.73 +21 12 25.0 c A24
2015-08-20 00:34:09 C 23 04 56.91 +21 12 28.8 c A24
2015-08-20 00:48:36 C 23 05 02.50 +21 15 15.9 q 160
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)