1999 RQ28

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4239584700 ± 5.27e-08
Semi-major axis (a)1.9087153659 AU ± 2.52e-08
Inclination (i)3.55756398° ± 3.76e-06
Long. of Asc. Node (Ω)124.16787985° ± 8.68e-05
Arg. of Perihelion (ω)269.97019430° ± 1.13e-04
Mean Anomaly (M)318.11082917° ± 8.67e-05
Mean Motion (n)0.3737666272°/day ± 7.40e-09
Perihelion dist (q)1.09949932 AU ± 1.02e-07
Aphelion dist (Q)2.71793141 AU ± 1.07e-07
Orbital Period2.63700987 yr ± 5.22e-08
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.499″
Uncertainty0
Orbit TypeAmor
MOID0.122517 AU
Observations Used123
Oppositions6
Arc Total1999-2008
First Observation Used1999-09-07
Last Observation Used2008-01-20
Observations (126)
Date Type RA Dec Mag Band Observatory
1999-09-16 07:55:48 C 23 42 41.77 -20 07 35.0 848
1999-09-16 08:04:31 C 23 42 42.24 -20 07 42.0 848
1999-09-17 07:51:02 C 23 44 23.80 -20 27 30.9 848
1999-09-17 07:56:19 C 23 44 24.11 -20 27 35.5 848
1999-09-17 16:48:32 C 23 45 02.20 -20 34 07.3 z 322
1999-09-17 17:02:48 C 23 45 02.98 -20 34 23.9 z 322
1999-09-17 17:19:43 C 23 45 04.27 -20 34 31.5 z 322
1999-09-18 07:49:14 C 23 46 09.78 -20 47 26.0 848
1999-09-18 07:53:49 C 23 46 10.07 -20 47 29.2 848
1999-09-18 08:01:48 C 23 46 10.61 -20 47 37.1 848
1999-09-18 11:50:58 C 23 46 29.19 -20 49 54.9 z 428
1999-09-18 12:18:39 C 23 46 30.91 -20 50 17.8 z 428
1999-09-19 07:44:02 C 23 47 59.32 -21 07 09.9 848
1999-09-19 07:48:38 C 23 47 59.66 -21 07 14.6 848
1999-09-19 07:53:28 C 23 47 59.99 -21 07 18.9 848
1999-09-20 07:32:57 C 23 49 52.71 -21 26 40.6 848
1999-09-20 07:40:54 C 23 49 53.19 -21 26 47.4 848
1999-09-20 07:50:40 C 23 49 53.96 -21 26 56.3 848
1999-09-28 13:05:19 C 00 08 24.47 -23 56 19.5 z 402
1999-09-28 13:07:38 C 00 08 24.67 -23 56 21.1 z 402
1999-09-28 13:12:15 C 00 08 25.08 -23 56 25.1 z 402
1999-09-30 05:53:36 C 00 12 55.17 -24 22 55.6 18.7 a 704
1999-09-30 06:14:35 C 00 12 57.23 -24 23 09.3 18.8 a 704
1999-09-30 06:33:48 C 00 12 59.06 -24 23 21.9 18.0 a 704
1999-09-30 06:53:05 C 00 13 00.95 -24 23 33.6 18.4 a 704
1999-09-30 07:12:17 C 00 13 02.89 -24 23 46.0 18.7 a 704
1999-10-04 16:22:04 C 00 25 50.76 -25 20 24.3 z 428
1999-10-04 16:26:36 C 00 25 51.31 -25 20 26.5 z 428
1999-10-04 16:31:11 C 00 25 51.86 -25 20 28.3 z 428
1999-10-09 14:03:59 C 00 42 17.11 -26 01 59.8 360
1999-10-09 14:07:29 C 00 42 17.58 -26 02 00.9 360
1999-10-09 14:11:44 C 00 42 18.12 -26 02 01.9 360
1999-10-11 13:30:49 C 00 49 27.33 -26 08 29.6 z 428
1999-10-11 13:37:48 C 00 49 28.25 -26 08 30.0 z 428
1999-10-11 13:52:07 C 00 49 30.15 -26 08 31.5 z 428
1999-10-20 15:52:50 C 01 25 59.88 -25 23 25.4 z 402
1999-10-20 15:54:39 C 01 26 00.24 -25 23 24.4 z 402
1999-10-20 15:56:28 C 01 26 00.45 -25 23 23.3 z 402
1999-10-28 13:26:30 C 01 59 58.03 -22 45 16.4 z 428
1999-10-28 13:31:11 C 01 59 58.71 -22 45 10.6 z 428
1999-10-28 13:36:04 C 01 59 59.54 -22 45 05.2 z 428
1999-10-31 23:55:56 C 02 14 24.20 -21 05 42.7 c 118
1999-11-01 00:00:59 C 02 14 24.94 -21 05 36.4 c 118
1999-11-04 14:28:14 C 02 28 58.75 -19 01 48.5 360
1999-11-04 14:36:44 C 02 28 59.98 -19 01 35.8 360
1999-11-04 14:39:59 C 02 29 00.47 -19 01 30.8 360
1999-11-10 05:31:27 C 02 49 59.87 -15 19 45.8 17.4 a 704
1999-11-10 05:55:00 C 02 50 02.90 -15 19 05.8 17.0 a 704
1999-11-10 06:18:25 C 02 50 05.98 -15 18 25.1 17.0 a 704
1999-11-10 06:41:55 C 02 50 08.99 -15 17 44.6 17.8 a 704