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
1999-11-10 07:05:20 C 02 50 12.10 -15 17 03.3 17.5 a 704
1999-12-03 06:49:39 C 03 51 34.65 +01 02 56.2 17.9 a 704
1999-12-03 07:10:33 C 03 51 36.11 +01 03 28.2 18.0 a 704
1999-12-03 07:31:27 C 03 51 37.60 +01 04 02.2 18.1 a 704
1999-12-14 03:33:32 C 04 10 29.87 +07 18 09.1 18.2 a 704
1999-12-14 03:54:49 C 04 10 31.22 +07 18 36.1 18.0 a 704
1999-12-14 04:16:12 C 04 10 32.40 +07 19 03.9 17.9 a 704
1999-12-14 04:58:51 C 04 10 34.76 +07 19 59.3 18.3 a 704
1999-12-15 05:33:18 C 04 12 11.36 +07 51 04.8 18.5 a 704
1999-12-15 06:01:29 C 04 12 12.99 +07 51 40.7 19.1 a 704
1999-12-15 06:29:46 C 04 12 14.52 +07 52 15.7 19.1 a 704
1999-12-15 06:55:57 C 04 12 16.00 +07 52 48.0 19.2 a 704
1999-12-15 07:20:37 C 04 12 17.37 +07 53 21.0 19.6 a 704
2007-12-20 09:17:19 C 09 30 16.62 +11 53 31.8 o 291
2007-12-20 09:39:28 C 09 30 16.25 +11 53 38.0 o 291
2007-12-20 10:01:43 C 09 30 15.93 +11 53 43.9 o 291
2007-12-30 11:12:27 C 09 24 18.66 +13 16 08.4 o 691
2007-12-30 11:37:52 C 09 24 17.73 +13 16 18.2 o 691
2007-12-30 12:03:16 C 09 24 16.61 +13 16 28.7 o 691
2008-01-10 09:02:53 C 09 11 40.08 +15 15 46.9 o 691
2008-01-10 09:28:16 C 09 11 38.54 +15 15 59.7 o 691
2008-01-10 09:53:40 C 09 11 36.97 +15 16 11.2 o 691
2008-01-16 07:58:50 C 09 02 55.93 +16 26 57.5 o 691
2008-01-16 08:24:55 C 09 02 54.21 +16 27 10.6 o 691
2008-01-16 08:51:20 C 09 02 52.38 +16 27 24.1 o 691
2008-01-20 08:16:20 C 08 56 43.27 +17 14 19.8 o 691