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
1999-09-07 07:58:47 C 23 29 38.18 -17 10 47.3 c 699
1999-09-07 08:42:56 C 23 29 40.07 -17 11 21.9 c 699
1999-09-07 09:27:06 C 23 29 41.95 -17 11 56.0 c 699
1999-09-07 22:36:14 C 23 30 25.33 -17 22 21.4 17.5 c 106
1999-09-07 23:04:13 C 23 30 26.62 -17 22 44.0 17.8 c 106
1999-09-07 23:27:17 C 23 30 27.62 -17 23 03.7 557
1999-09-07 23:30:39 C 23 30 27.76 -17 23 06.2 557
1999-09-07 23:32:14 C 23 30 27.82 -17 23 06.4 18.0 c 106
1999-09-07 23:34:01 C 23 30 27.93 -17 23 09.1 557
1999-09-08 00:41:49 C 23 30 31.04 -17 24 01.7 595
1999-09-08 00:52:00 C 23 30 31.59 -17 24 10.3 595
1999-09-08 01:01:10 C 23 30 31.96 -17 24 16.8 595
1999-09-08 22:02:47 C 23 31 41.85 -17 41 00.4 d 046
1999-09-08 22:05:07 C 23 31 42.01 -17 41 02.7 d 046
1999-09-08 22:06:55 C 23 31 42.09 -17 41 03.8 d 046
1999-09-08 22:08:55 C 23 31 42.19 -17 41 06.5 d 046
1999-09-09 12:28:03 C 23 32 30.92 -17 51 46.0 d 426
1999-09-09 12:33:02 C 23 32 31.13 -17 51 50.9 d 426
1999-09-09 12:37:55 C 23 32 31.35 -17 51 54.8 d 426
1999-09-09 12:57:41 C 23 32 31.56 -17 52 15.3 z 428
1999-09-09 13:39:01 C 23 32 33.59 -17 52 49.1 z 428
1999-09-09 23:50:16 C 23 33 07.49 -18 01 47.8 d 046
1999-09-09 23:52:16 C 23 33 07.56 -18 01 48.7 d 046
1999-09-09 23:57:45 C 23 33 07.80 -18 01 54.2 d 046
1999-09-10 12:56:39 C 23 33 54.08 -18 11 36.0 d 426
1999-09-10 13:02:07 C 23 33 54.36 -18 11 41.2 d 426
1999-09-10 13:07:05 C 23 33 54.56 -18 11 45.1 d 426
1999-09-11 09:26:17 C 23 35 04.00 -18 29 10.1 848
1999-09-11 09:38:32 C 23 35 04.61 -18 29 19.2 848
1999-09-11 09:45:13 C 23 35 04.95 -18 29 25.5 848
1999-09-12 14:36:15 C 23 36 50.72 -18 53 07.8 360
1999-09-12 14:39:45 C 23 36 50.91 -18 53 10.4 360
1999-09-12 14:43:15 C 23 36 51.11 -18 53 13.5 360
1999-09-13 06:47:51 C 23 37 50.96 -19 06 34.5 18.3 a 704
1999-09-13 07:03:51 C 23 37 51.87 -19 06 47.2 18.1 a 704
1999-09-13 07:20:12 C 23 37 52.68 -19 07 00.9 18.7 a 704
1999-09-13 07:36:43 C 23 37 53.51 -19 07 14.1 18.6 a 704
1999-09-13 09:17:22 C 23 37 59.55 -19 08 41.4 848
1999-09-13 09:28:53 C 23 38 00.14 -19 08 49.6 848
1999-09-13 09:40:29 C 23 38 00.89 -19 08 58.5 848
1999-09-13 21:56:30 C 23 38 49.11 -19 19 13.8 d 046
1999-09-13 21:59:17 C 23 38 49.28 -19 19 16.0 d 046
1999-09-13 22:02:34 C 23 38 49.45 -19 19 18.8 d 046
1999-09-14 21:54:57 C 23 40 23.03 -19 39 12.5 c 118
1999-09-14 21:56:38 C 23 40 23.08 -19 39 14.2 c 118
1999-09-14 22:04:16 C 23 40 23.54 -19 39 20.4 c 118
1999-09-15 08:03:08 C 23 41 03.35 -19 47 39.2 848
1999-09-15 08:08:41 C 23 41 03.66 -19 47 43.9 848
1999-09-15 08:17:14 C 23 41 04.14 -19 47 50.9 848
1999-09-16 07:50:08 C 23 42 41.37 -20 07 29.8 848