437846 (1999 RJ27)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3524367643 ± 1.17e-07
Semi-major axis (a)1.4789412404 AU ± 5.46e-09
Inclination (i)25.77470376° ± 1.68e-05
Long. of Asc. Node (Ω)170.24795570° ± 1.10e-05
Arg. of Perihelion (ω)64.42213008° ± 2.01e-05
Mean Anomaly (M)280.11246648° ± 1.86e-05
Mean Motion (n)0.5480067363°/day ± 3.03e-09
Perihelion dist (q)0.95770797 AU ± 1.73e-07
Aphelion dist (Q)2.00017451 AU ± 1.73e-07
Orbital Period1.79856600 yr ± 9.96e-09
Physical Parameters
H (abs. magnitude)19.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.395″
Uncertainty0
Orbit TypeApollo
MOID0.108515 AU
Observations Used99
Oppositions11
Arc Total1999-2024
First Observation Used1999-09-06
Last Observation Used2024-02-14
Observations (104)
Date Type RA Dec Mag Band Observatory
2008-09-05 07:43:29 C 00 14 44.02 +01 37 27.8 o 291
2008-09-05 07:51:04 C 00 14 43.55 +01 37 12.9 o 291
2008-09-06 05:44:34 C 00 13 28.54 +00 54 10.5 o 691
2008-09-06 06:10:09 C 00 13 26.98 +00 53 20.2 o 691
2008-09-06 06:35:42 C 00 13 25.41 +00 52 30.0 o 691
2008-09-09 22:36:06 C 00 08 14.55 -01 58 47.8 o 246
2008-09-09 22:39:27 C 00 08 14.31 -01 58 54.3 o 246
2008-09-09 22:40:45 C 00 08 14.27 -01 58 56.7 o 246
2008-09-09 22:41:52 C 00 08 14.19 -01 58 58.9 o 246
2008-09-09 22:42:53 C 00 08 14.10 -01 59 00.3 o 246
2008-09-09 22:44:03 C 00 08 14.06 -01 59 02.6 o 246
2008-09-20 05:04:37 C 23 53 40.38 -09 20 01.5 o 291
2008-09-20 05:10:49 C 23 53 40.01 -09 20 11.8 o 291
2008-09-20 05:16:28 C 23 53 39.66 -09 20 21.0 o 291
2008-09-23 05:31:27 C 23 49 39.23 -11 13 05.2 20.0 c 704
2008-09-23 05:48:47 C 23 49 38.24 -11 13 30.0 20.2 c 704
2008-09-23 06:06:31 C 23 49 37.26 -11 13 57.0 20.7 c 704
2008-09-23 06:24:30 C 23 49 36.27 -11 14 22.6 20.3 c 704
2008-09-23 06:41:58 C 23 49 35.25 -11 14 50.2 20.3 c 704
2010-10-10 10:16:45 C 03 10 57.99 -15 12 16.5 o 291
2010-10-10 10:27:29 C 03 10 57.48 -15 12 26.8 o 291
2015-01-17 03:49:32 C 06 18 17.90 -25 35 31.7 u 807
2015-01-17 04:04:18 C 06 18 16.81 -25 35 23.9 u 807
2015-01-17 04:18:26 C 06 18 15.75 -25 35 16.1 u 807
2015-01-22 10:33:41 C 06 09 48.71 -24 14 32.0 t 474
2015-01-22 10:38:45 C 06 09 48.38 -24 14 28.6 t 474
2015-01-22 10:43:49 C 06 09 48.05 -24 14 25.2 t 474
2015-06-18 03:55:59 C 10 20 10.05 +32 33 04.9 o 291
2015-06-18 04:01:56 C 10 20 11.14 +32 33 06.3 o 291
2015-06-18 04:07:54 C 10 20 12.16 +32 33 07.4 o 291
2017-02-24 12:21:15 C 15 54 03.00 -13 03 07.6 q G96
2017-02-24 12:27:19 C 15 54 04.74 -13 02 53.5 q G96
2017-02-24 12:33:26 C 15 54 06.64 -13 02 39.9 q G96
2017-02-24 12:39:30 C 15 54 08.34 -13 02 25.6 q G96
2017-03-03 10:54:47 C 16 44 10.04 -05 59 03.0 R G45
2017-03-03 11:01:53 C 16 44 12.12 -05 58 44.0 R G45
2017-03-03 11:08:58 C 16 44 14.27 -05 58 24.5 R G45
2017-03-03 11:23:10 C 16 44 18.47 -05 57 45.6 R G45
2017-09-23 09:34:11 C 00 02 11.728 -11 10 28.41 L F51
2017-09-23 09:50:13 C 00 02 10.748 -11 10 52.39 L F51
2017-09-23 10:06:13 C 00 02 09.771 -11 11 16.22 L F51
2019-09-10 13:41:38 C 03 29 15.875 -03 02 09.14 U F51
2019-09-10 14:17:49 C 03 29 16.154 -03 02 41.47 U F51
2019-09-10 14:35:51 C 03 29 16.304 -03 02 58.10 U F51
2019-11-03 10:02:11 C 02 44 26.432 -22 25 04.46 U F51
2019-11-03 10:17:59 C 02 44 25.391 -22 25 12.12 U F51
2019-11-03 10:33:43 C 02 44 24.358 -22 25 20.04 U F51
2021-11-12 12:20:38 C 05 05 48.483 -21 13 23.47 U F51
2021-11-12 12:37:24 C 05 05 47.635 -21 13 34.12 U F51
2021-11-12 13:10:54 C 05 05 45.902 -21 13 56.14 U F51