523802 (1998 KH9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4589589351 ± 4.60e-08
Semi-major axis (a)2.2032336198 AU ± 4.51e-09
Inclination (i)17.67115958° ± 6.76e-06
Long. of Asc. Node (Ω)82.61787642° ± 8.58e-06
Arg. of Perihelion (ω)185.38758373° ± 2.21e-05
Mean Anomaly (M)135.56075414° ± 1.61e-05
Mean Motion (n)0.3013848734°/day ± 9.26e-10
Perihelion dist (q)1.19203986 AU ± 1.01e-07
Aphelion dist (Q)3.21442738 AU ± 1.02e-07
Orbital Period3.27032433 yr ± 1.00e-08
Physical Parameters
H (abs. magnitude)18.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.443″
Uncertainty0
Orbit TypeAmor
MOID0.176082 AU
Observations Used260
Oppositions18
Arc Total1998-2024
First Observation Used1998-05-22
Last Observation Used2024-05-26
Observations (267)
Date Type RA Dec Mag Band Observatory
1998-07-02 10:41:50 C 15 12 46.37 -32 56 35.1 422
1998-07-02 10:42:28 C 15 12 46.45 -32 56 37.4 422
1998-07-02 10:43:06 C 15 12 46.44 -32 56 39.1 422
1998-07-10 11:13:37 C 15 26 19.42 -42 36 02.1 426
1998-07-10 11:44:00 C 15 26 21.75 -42 37 23.3 426
1998-07-10 11:49:44 C 15 26 22.23 -42 37 38.4 426
1998-07-10 12:00:00 C 15 26 23.08 -42 38 05.3 426
1998-07-11 13:09:12 C 15 28 39.78 -43 44 13.0 422
1998-07-19 10:53:36 C 15 50 11.09 -50 51 55.1 413
1998-07-19 11:35:37 C 15 50 16.08 -50 53 13.5 413
1998-07-19 13:30:56 C 15 50 30.56 -50 56 51.9 413
1998-08-10 13:00:16 C 17 26 01.71 -60 44 22.2 422
1998-08-10 13:03:16 C 17 26 02.34 -60 44 23.3 422
2005-10-24 09:03:56 C 03 34 54.56 +00 45 28.6 d 291
2005-10-24 09:16:30 C 03 34 53.92 +00 45 27.6 d 291
2005-10-24 09:29:21 C 03 34 53.30 +00 45 26.3 d 291
2005-10-25 06:18:02 C 03 33 51.96 +00 43 39.6 d 291
2005-10-25 06:23:33 C 03 33 51.62 +00 43 39.3 d 291
2005-10-25 06:29:06 C 03 33 51.36 +00 43 39.4 d 291
2011-02-01 09:04:19 C 13 00 35.34 +23 27 37.7 o 291
2011-02-01 09:10:13 C 13 00 35.53 +23 27 40.6 o 291
2011-03-16 12:12:04 C 13 04 43.693 +34 51 20.51 L F51
2011-03-16 12:29:31 C 13 04 43.049 +34 51 32.15 L F51
2011-03-16 12:49:39 C 13 04 42.318 +34 51 45.85 L F51
2011-03-16 13:05:40 C 13 04 41.696 +34 51 56.07 L F51
2011-03-20 07:22:59 C 13 01 21.17 +35 50 03.6 u 448
2011-03-20 08:18:06 C 13 01 18.80 +35 50 38.1 u 448
2011-03-20 09:07:27 C 13 01 16.63 +35 51 07.5 u 448
2011-04-03 01:57:08 C 12 44 36.63 +38 27 19.3 v 204
2011-04-03 02:16:22 C 12 44 35.47 +38 27 24.8 v 204
2011-04-03 02:35:19 C 12 44 34.32 +38 27 30.3 v 204
2011-05-02 06:00:41 C 12 07 49.40 +36 30 03.7 r 703
2011-05-02 06:13:12 C 12 07 48.97 +36 29 56.3 r 703
2011-05-02 06:25:43 C 12 07 48.50 +36 29 49.4 r 703
2011-05-02 06:38:08 C 12 07 48.00 +36 29 41.4 r 703
2011-05-20 05:13:17 C 12 02 04.20 +30 14 38.9 r 703
2011-05-20 05:23:53 C 12 02 04.30 +30 14 28.4 r 703
2011-05-20 05:34:27 C 12 02 04.27 +30 14 16.8 r 703
2011-05-20 05:45:03 C 12 02 04.23 +30 14 04.3 r 703
2011-06-13 04:54:32 C 12 18 52.41 +17 40 46.7 r G96
2011-06-13 05:03:58 C 12 18 52.88 +17 40 32.5 r G96
2011-06-13 05:13:16 C 12 18 53.31 +17 40 18.1 r G96
2011-06-13 05:22:44 C 12 18 53.74 +17 40 03.9 r G96
2011-08-29 05:24:27 C 15 35 28.709 -34 18 17.60 U T12
2011-08-29 05:31:30 C 15 35 29.895 -34 18 26.31 U T12
2011-08-29 05:35:17 C 15 35 30.535 -34 18 31.01 U T12
2018-09-16 08:18:13 C 03 36 14.27 -02 34 15.4 u H21
2018-09-16 08:26:24 C 03 36 14.18 -02 34 17.0 u H21
2018-09-16 08:36:20 C 03 36 14.06 -02 34 18.7 u H21
2018-09-21 07:59:01 C 03 34 25.21 -02 57 42.6 u H21