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
1998-08-17 06:15:55 C 22 08 33.72 -10 07 11.4 17.9 a 704
1998-08-17 06:46:09 C 22 08 24.95 -10 06 46.3 a 704
1998-08-17 07:16:21 C 22 08 16.22 -10 06 22.3 18.4 a 704
1998-08-17 07:46:31 C 22 08 07.48 -10 05 58.2 18.6 a 704
1998-08-17 08:16:47 C 22 07 58.81 -10 05 32.0 18.4 a 704
1998-08-17 23:11:30 C 22 03 49.95 -09 53 32.6 046
1998-08-17 23:14:01 C 22 03 49.28 -09 53 29.5 046
1998-08-17 23:15:01 C 22 03 48.96 -09 53 30.4 046
1998-08-17 23:16:24 C 22 03 48.60 -09 53 27.7 046
1998-08-17 23:17:36 C 22 03 48.20 -09 53 27.9 046
1998-08-18 12:50:24 C 22 00 08.54 -09 42 12.1 426
1998-08-18 12:55:23 C 22 00 07.23 -09 42 08.4 426
1998-08-18 13:00:54 C 22 00 05.73 -09 42 04.4 426
1998-08-18 13:05:38 C 22 00 04.43 -09 42 00.4 426
1998-08-18 21:49:59 C 21 57 45.20 -09 35 34.6 b 611
1998-08-18 22:08:30 C 21 57 40.45 -09 35 20.7 b 611
1998-08-19 11:24:26 C 21 54 14.22 -09 24 34.6 422
1998-08-19 11:25:22 C 21 54 13.98 -09 24 34.1 422
1998-08-19 11:28:25 C 21 54 13.18 -09 24 32.0 422
1998-08-20 15:04:00 C 21 47 20.25 -09 04 02.2 360
1998-08-20 15:08:00 C 21 47 19.23 -09 03 59.6 360
1998-08-20 15:11:59 C 21 47 18.25 -09 03 56.3 360
1998-08-20 23:19:29 C 21 45 21.26 -08 57 59.8 557
1998-08-20 23:22:19 C 21 45 20.57 -08 57 57.2 557
1998-08-20 23:25:03 C 21 45 19.94 -08 57 56.0 557
1998-08-22 08:42:20 C 21 37 41.44 -08 34 04.2 658
1998-08-22 08:48:33 C 21 37 39.94 -08 33 59.8 658
1998-08-22 08:51:51 C 21 37 39.24 -08 33 57.6 658
1998-08-24 12:32:23 C 21 26 51.61 -07 58 57.3 422
1998-08-24 12:35:01 C 21 26 51.04 -07 58 55.8 422
1998-08-24 12:36:08 C 21 26 50.80 -07 58 54.9 422
1998-08-24 14:23:13 C 21 26 29.48 -07 57 46.5 426
1998-08-24 14:29:29 C 21 26 28.23 -07 57 42.4 426
1998-08-24 14:37:38 C 21 26 26.58 -07 57 37.1 426
1998-08-24 20:48:59 C 21 25 14.72 -07 54 05.3 557
1998-08-24 20:51:00 C 21 25 14.29 -07 54 04.1 557
1998-08-24 21:34:30 C 21 25 05.86 -07 53 36.9 z 587
1998-08-24 21:38:53 C 21 25 05.01 -07 53 31.5 z 587
1998-08-25 15:25:44 C 21 21 42.78 -07 42 28.4 360
1998-08-25 15:29:00 C 21 21 42.17 -07 42 26.2 360
1998-08-25 15:35:45 C 21 21 40.90 -07 42 22.1 360
1998-08-27 08:35:21 C 21 14 27.07 -07 18 18.8 658
1998-08-27 08:43:09 C 21 14 25.78 -07 18 14.6 658
1998-08-27 08:50:09 C 21 14 24.55 -07 18 11.4 658
2005-08-23 10:36:09 C 22 25 16.81 +08 57 07.3 c 608
2005-08-23 10:50:58 C 22 25 14.23 +08 57 06.5 c 608
2005-08-23 11:06:20 C 22 25 11.58 +08 57 07.1 c 608
2005-08-29 07:10:40 C 22 02 43.97 +08 47 27.1 o 644
2005-08-29 07:42:03 C 22 02 39.15 +08 47 23.2 o 644
2005-08-29 08:12:13 C 22 02 34.52 +08 47 19.2 o 644