2019 RB4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7240548617 ± 7.97e-08
Semi-major axis (a)1.2976445468 AU ± 1.17e-08
Inclination (i)25.76445584° ± 1.26e-05
Long. of Asc. Node (Ω)195.58902782° ± 1.18e-05
Arg. of Perihelion (ω)1.45731681° ± 2.86e-05
Mean Anomaly (M)166.60886898° ± 7.81e-05
Mean Motion (n)0.6667740007°/day ± 9.05e-09
Perihelion dist (q)0.35807870 AU ± 1.03e-07
Aphelion dist (Q)2.23721039 AU ± 1.05e-07
Orbital Period1.47820143 yr ± 2.01e-08
Physical Parameters
H (abs. magnitude)19.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.216″
Uncertainty0
Orbit TypeApollo
MOID0.369825 AU
Observations Used67
Oppositions4
Arc Total2012-2025
First Observation Used2012-10-17
Last Observation Used2025-10-12
Observations (76)
Date Type RA Dec Mag Band Observatory
2010-08-01 06:58:15 S 00 56 13.870 +56 27 28.66 L C51
2010-08-01 08:33:36 S 00 55 49.310 +56 26 15.83 L C51
2010-08-01 10:08:46 S 00 55 24.686 +56 25 02.28 L C51
2010-08-01 11:44:07 S 00 55 00.079 +56 23 48.73 L C51
2010-08-01 13:19:17 S 00 54 35.479 +56 22 34.28 L C51
2010-08-01 18:04:58 S 00 53 21.898 +56 18 49.97 L C51
2010-08-03 08:11:00 S 00 43 34.843 +55 46 42.06 L C51
2012-10-17 09:30:34 C 01 47 07.764 +02 10 44.66 V F51
2012-10-17 09:49:51 C 01 47 06.182 +02 10 28.67 V F51
2012-10-17 10:09:10 C 01 47 04.624 +02 10 12.63 V F51
2012-10-17 10:28:39 C 01 47 02.993 +02 09 56.17 V F51
2012-10-24 08:07:09 C 01 33 43.769 -00 05 56.09 V F51
2013-09-22 10:35:58 C 22 30 06.807 +15 20 56.43 V F51
2013-09-23 07:37:49 C 22 28 43.705 +14 48 50.99 V F51
2013-09-23 07:54:29 C 22 28 42.583 +14 48 25.90 V F51
2015-10-15 12:20:34 C 02 12 14.620 +02 34 11.79 V F51
2015-10-15 12:37:24 C 02 12 13.280 +02 33 56.99 V F51
2015-10-15 13:10:55 C 02 12 10.653 +02 33 28.40 V F51
2016-09-21 11:10:32 C 23 08 31.593 +15 03 51.38 V F51
2016-09-21 11:29:06 C 23 08 29.983 +15 03 26.81 V F51
2016-09-21 11:47:39 C 23 08 28.435 +15 03 02.50 V F51
2016-09-21 12:06:19 C 23 08 26.851 +15 02 38.35 V F51
2018-11-07 08:02:20 C 01 47 15.881 -06 16 10.99 V F52
2018-11-07 08:21:49 C 01 47 14.144 -06 16 26.56 V F52
2018-11-07 08:41:18 C 01 47 12.410 -06 16 42.02 V F52
2018-11-07 09:00:49 C 01 47 10.652 -06 16 58.19 V F52
2018-11-12 08:08:55 C 01 37 03.634 -07 46 40.25 V F52
2018-11-12 08:48:19 C 01 37 00.316 -07 47 07.77 V F52
2018-11-12 09:07:58 C 01 36 58.621 -07 47 22.11 V F52
2019-09-04 14:00:10 C 00 17 53.120 +21 39 43.47 U F51
2019-09-04 14:17:28 C 00 17 51.472 +21 39 28.05 U F51
2019-09-04 14:34:46 C 00 17 49.855 +21 39 12.69 U F51
2019-09-08 11:29:56 C 00 09 06.074 +20 13 22.61 V 568
2019-09-08 11:31:18 C 00 09 05.941 +20 13 21.29 V 568
2019-09-08 11:32:40 C 00 09 05.805 +20 13 19.96 V 568
2019-09-18 09:01:29 C 23 46 46.09 +16 04 14.0 o 291
2019-09-18 10:00:52 C 23 46 40.58 +16 03 07.9 o 291
2019-09-22 04:06:48 C 23 38 38.93 +14 21 59.2 V G96
2019-09-22 04:13:43 C 23 38 38.32 +14 21 52.4 V G96
2019-09-22 04:27:33 C 23 38 37.10 +14 21 34.4 V G96
2019-09-30 05:00:41 C 23 23 03.17 +10 45 16.1 V G96
2019-09-30 05:08:49 C 23 23 02.50 +10 45 07.0 V G96
2019-09-30 05:25:05 C 23 23 01.26 +10 44 48.0 V G96
2021-11-08 09:22:03 C 02 07 46.104 -08 24 27.76 U F51
2021-11-08 09:54:46 C 02 07 42.849 -08 24 57.73 U F51
2021-11-08 10:11:09 C 02 07 41.226 -08 25 12.79 U F51
2021-11-12 08:54:55 C 01 58 38.088 -09 48 07.05 U F51
2021-11-12 09:11:43 C 01 58 36.459 -09 48 21.32 U F51
2021-11-12 09:45:20 C 01 58 33.230 -09 48 49.33 U F51
2022-08-23 08:44:06 C 01 00 23.44 +22 39 39.6 u H21