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
2016-09-02 20:23:32 C 20 24 12.36 -12 05 40.0 q 246
2016-09-02 20:24:04 C 20 24 12.32 -12 05 39.5 q 246
2016-09-02 20:24:24 C 20 24 12.26 -12 05 38.9 q 246
2016-09-10 02:53:54 C 20 13 41.01 -09 55 23.4 o 691
2016-09-10 03:13:48 C 20 13 40.11 -09 55 11.9 o 691
2016-09-10 03:31:48 C 20 13 39.29 -09 55 00.2 o 691
2016-09-26 02:39:31 C 20 07 53.13 -07 01 57.4 q G96
2016-09-26 02:45:42 C 20 07 53.12 -07 01 55.1 q G96
2016-09-26 02:51:54 C 20 07 53.16 -07 01 53.4 q G96
2016-09-26 02:58:11 C 20 07 53.16 -07 01 51.5 q G96
2018-09-02 06:17:38 C 01 17 46.54 +55 08 33.8 u H21
2018-09-02 06:36:52 C 01 17 45.20 +55 08 52.9 u H21
2018-09-05 07:14:19 C 01 12 12.52 +56 17 33.1 u H21
2018-09-05 07:38:36 C 01 12 10.45 +56 17 55.8 u H21
2018-09-05 07:46:13 C 01 12 09.83 +56 18 02.7 u H21
2019-09-17 10:18:36 C 22 08 55.097 +23 48 51.80 U F51
2019-09-17 10:37:30 C 22 08 53.173 +23 48 43.46 U F51
2019-09-17 10:56:24 C 22 08 51.242 +23 48 35.55 U F51
2019-10-18 00:26:08 C 21 23 58.33 +17 46 52.4 u H21
2019-10-18 00:35:21 C 21 23 58.07 +17 46 49.8 u H21
2019-10-18 00:44:28 C 21 23 57.86 +17 46 46.9 u H21
2022-09-18 06:56:38 C 23 18 15.422 +45 06 55.94 V G96
2022-09-18 07:06:07 C 23 18 14.209 +45 06 55.94 V G96
2022-09-18 07:23:38 C 23 18 11.920 +45 06 54.86 V G96
2023-07-24 13:43:41 C 00 37 06.799 +00 09 59.12 X F51
2023-07-24 14:00:50 C 00 37 03.873 +00 10 09.93 X F51
2023-07-24 14:18:04 C 00 37 00.925 +00 10 20.97 X F51
2023-08-12 06:43:09 C 23 08 33.602 +03 59 37.75 V W68
2023-08-12 06:47:45 C 23 08 32.609 +03 59 38.87 V W68
2023-08-12 06:56:55 C 23 08 30.634 +03 59 41.64 V W68
2023-08-12 07:46:28 C 23 08 19.817 +03 59 57.88 V W68
2023-08-13 01:11:31 C 23 04 37.034 +04 05 22.45 V M22
2023-08-13 01:16:04 C 23 04 36.144 +04 05 24.07 V M22
2023-08-13 01:24:45 C 23 04 34.236 +04 05 26.41 V M22
2023-08-13 02:13:07 C 23 04 23.765 +04 05 41.14 V M22
2023-08-13 23:17:37 C 22 59 55.711 +04 11 47.29 V M22
2023-08-13 23:20:13 C 22 59 55.138 +04 11 47.87 V M22
2023-08-13 23:24:45 C 22 59 54.206 +04 11 49.49 V M22
2023-08-14 00:09:43 C 22 59 44.453 +04 12 01.76 V M22
2023-08-18 10:15:54 C 22 37 39.851 +04 35 14.77 X F52
2023-08-18 10:31:30 C 22 37 36.612 +04 35 17.39 X F52
2023-08-18 10:47:10 C 22 37 33.367 +04 35 19.96 X F52
2023-08-19 23:05:03 B 22 30 16.34 +04 40 34.1 X M45
2023-08-19 23:17:57 B 22 30 13.73 +04 40 35.6 X M45
2023-08-19 23:32:39 B 22 30 10.77 +04 40 37.6 X M45
2023-08-20 02:15:48 C 22 29 37.930 +04 41 17.66 V M22
2023-08-20 02:33:29 C 22 29 34.462 +04 41 20.90 V M22
2023-08-20 02:54:15 C 22 29 30.298 +04 41 22.74 V M22
2023-08-20 03:02:18 C 22 29 28.692 +04 41 23.50 V M22
2023-08-20 23:34:25 C 22 25 27.71 +04 43 25.8 V K88