1998 QQ

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6845072511 ± 1.46e-07
Semi-major axis (a)1.2433163247 AU ± 1.49e-09
Inclination (i)37.17356271° ± 1.88e-05
Long. of Asc. Node (Ω)325.28495636° ± 4.06e-06
Arg. of Perihelion (ω)220.60914021° ± 9.69e-06
Mean Anomaly (M)300.96279050° ± 1.89e-05
Mean Motion (n)0.7109512502°/day ± 1.28e-09
Perihelion dist (q)0.39225729 AU ± 1.82e-07
Aphelion dist (Q)2.09437536 AU ± 1.82e-07
Orbital Period1.38634862 yr ± 2.50e-09
Physical Parameters
H (abs. magnitude)18.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.353″
Uncertainty0
Orbit TypeApollo
MOID0.173455 AU
Observations Used236
Oppositions7
Arc Total1998-2023
First Observation Used1998-08-17
Last Observation Used2023-10-10
Observations (248)
Date Type RA Dec Mag Band Observatory
2016-08-08 16:07:40 C 23 07 28.69 -29 17 18.5 q 900
2016-08-08 16:12:58 C 23 07 25.48 -29 17 07.5 q 900
2016-08-08 16:18:16 C 23 07 22.36 -29 16 57.6 q 900
2016-08-09 11:09:42 C 22 56 29.688 -28 38 24.51 L F51
2016-08-09 11:26:13 C 22 56 20.318 -28 37 50.22 L F51
2016-08-09 11:42:00 C 22 56 11.150 -28 37 17.18 L F51
2016-08-09 11:58:29 C 22 56 01.593 -28 36 42.18 L F51
2016-08-16 09:36:31 C 21 41 21.75 -22 24 03.4 L T05
2016-08-16 10:02:53 C 21 41 12.44 -22 23 05.9 L T05
2016-08-16 10:31:16 C 21 41 02.44 -22 22 04.4 L T05
2016-08-16 11:00:57 C 21 40 52.03 -22 21 00.1 L T05
2016-08-21 23:12:34 C 21 04 16.47 -18 04 10.0 q 204
2016-08-21 23:20:41 C 21 04 14.62 -18 03 55.5 q 204
2016-08-21 23:25:06 C 21 04 13.62 -18 03 48.4 q 204
2016-08-22 00:20:51 C 21 04 02.88 -18 01 47.4 q W98
2016-08-22 00:41:52 C 21 03 58.09 -18 01 12.5 q W98
2016-08-22 01:02:50 C 21 03 53.48 -18 00 37.5 q W98
2016-08-22 15:39:23 C 21 00 45.43 -17 36 34.3 o 300
2016-08-22 15:41:12 C 21 00 45.08 -17 36 32.0 o 300
2016-08-22 15:43:02 C 21 00 44.63 -17 36 28.9 o 300
2016-08-22 15:44:52 C 21 00 44.29 -17 36 26.1 o 300
2016-08-22 22:38:08 C 20 59 19.98 -17 25 13.8 o B67
2016-08-22 22:50:19 C 20 59 17.45 -17 24 54.0 o B67
2016-08-22 23:02:30 C 20 59 14.96 -17 24 34.4 o B67
2016-08-27 21:22:14 C 20 39 30.75 -14 36 29.5 q 246
2016-08-27 21:22:34 C 20 39 30.69 -14 36 29.2 q 246
2016-08-27 21:23:21 C 20 39 30.57 -14 36 27.6 q 246
2016-08-27 21:23:41 C 20 39 30.57 -14 36 27.5 q 246
2016-08-27 21:24:44 C 20 39 30.46 -14 36 27.1 q 246
2016-08-27 21:25:37 C 20 39 30.33 -14 36 26.2 q 246
2016-08-27 21:26:27 C 20 39 30.22 -14 36 24.8 q 246
2016-08-27 21:26:47 C 20 39 30.20 -14 36 24.9 q 246
2016-08-28 20:44:19 C 20 36 28.21 -14 08 22.4 q 246
2016-08-28 20:45:21 C 20 36 28.10 -14 08 21.0 q 246
2016-08-28 20:46:26 C 20 36 27.94 -14 08 18.6 q 246
2016-08-28 20:47:09 C 20 36 27.84 -14 08 18.3 q 246
2016-08-28 20:47:26 C 20 36 27.83 -14 08 18.0 q 246
2016-08-28 20:47:46 C 20 36 27.74 -14 08 18.1 q 246
2016-08-28 20:49:55 C 20 36 27.52 -14 08 15.7 q 246
2016-08-28 20:50:29 C 20 36 27.41 -14 08 14.8 q 246
2016-08-31 05:51:15 C 20 29 58.51 -13 05 34.9 q 703
2016-08-31 05:57:44 C 20 29 57.73 -13 05 28.7 q 703
2016-08-31 06:04:13 C 20 29 57.06 -13 05 21.7 q 703
2016-08-31 06:10:42 C 20 29 56.33 -13 05 15.6 q 703
2016-08-31 20:38:53 C 20 28 29.73 -12 50 40.9 q 246
2016-08-31 20:39:31 C 20 28 29.72 -12 50 39.8 q 246
2016-08-31 20:40:09 C 20 28 29.62 -12 50 40.2 q 246
2016-09-02 20:21:22 C 20 24 12.57 -12 05 41.4 q 246
2016-09-02 20:23:02 C 20 24 12.48 -12 05 40.1 q 246
2016-09-02 20:23:19 C 20 24 12.39 -12 05 40.3 q 246