326291 (1998 HM3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0621867379 ± 4.31e-08
Semi-major axis (a)1.2465886492 AU ± 8.71e-10
Inclination (i)39.33002176° ± 9.32e-06
Long. of Asc. Node (Ω)210.80106474° ± 2.12e-06
Arg. of Perihelion (ω)137.08258612° ± 2.69e-05
Mean Anomaly (M)166.39727485° ± 2.55e-05
Mean Motion (n)0.7081536925°/day ± 7.42e-10
Perihelion dist (q)1.16906737 AU ± 5.37e-08
Aphelion dist (Q)1.32410993 AU ± 5.37e-08
Orbital Period1.39182538 yr ± 1.46e-09
Physical Parameters
H (abs. magnitude)19.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.420″
Uncertainty0
Orbit TypeAmor
MOID0.190826 AU
Observations Used525
Oppositions7
Arc Total1998-2023
First Observation Used1998-04-21
Last Observation Used2023-06-01
Observations (666)
Date Type RA Dec Mag Band Observatory
1998-04-21 07:18:02 C 14 36 24.14 -07 45 17.1 17.6 a 704
1998-04-21 07:47:16 C 14 36 21.79 -07 42 44.8 17.9 a 704
1998-04-21 08:16:12 C 14 36 19.53 -07 40 15.4 18.4 a 704
1998-04-21 08:45:34 C 14 36 17.23 -07 37 41.6 17.9 a 704
1998-04-21 09:15:02 C 14 36 15.03 -07 35 07.9 18.3 a 704
1998-04-21 23:05:02 C 14 35 16.33 -06 23 15.7 046
1998-04-21 23:10:48 C 14 35 15.90 -06 22 46.1 046
1998-04-21 23:12:03 C 14 35 15.80 -06 22 39.4 046
1998-04-21 23:13:17 C 14 35 15.68 -06 22 32.9 046
1998-04-21 23:24:40 C 14 35 14.78 -06 21 34.4 557
1998-04-21 23:28:54 C 14 35 14.50 -06 21 11.6 557
1998-04-21 23:30:15 C 14 35 14.36 -06 21 04.9 557
1998-04-22 03:43:44 C 14 34 56.86 -05 59 00.8 17.1 a 784
1998-04-22 06:14:37 C 14 34 45.87 -05 45 51.7 17.9 a 704
1998-04-22 06:15:59 C 14 34 44.97 -05 45 47.1 17.0 a 784
1998-04-22 06:22:45 C 14 34 44.42 -05 45 11.9 16.8 a 784
1998-04-22 06:30:45 C 14 34 43.80 -05 44 30.7 16.6 a 784
1998-04-22 06:41:45 C 14 34 43.70 -05 43 30.0 17.9 a 704
1998-04-22 07:00:59 C 14 34 41.53 -05 41 52.4 17.2 a 784
1998-04-22 07:04:30 C 14 34 41.20 -05 41 33.8 17.0 a 784
1998-04-22 07:08:56 C 14 34 41.55 -05 41 08.7 a 704
1998-04-22 07:09:59 C 14 34 40.74 -05 41 05.2 16.8 a 784
1998-04-22 07:36:31 C 14 34 39.36 -05 38 45.0 17.9 a 704
1998-04-22 08:03:45 C 14 34 37.24 -05 36 22.9 18.0 a 704
1998-04-22 19:56:40 C 14 33 47.06 -04 34 21.4 z 104
1998-04-22 19:59:45 C 14 33 46.88 -04 34 05.2 z 104
1998-04-22 20:06:59 C 14 33 46.35 -04 33 28.6 z 104
1998-04-22 20:13:44 C 14 33 45.86 -04 32 53.3 z 104
1998-04-22 21:32:16 C 14 33 39.64 -04 26 05.8 557
1998-04-22 21:34:37 C 14 33 39.42 -04 25 53.7 557
1998-04-23 00:21:57 C 14 33 26.41 -04 11 19.2 046
1998-04-23 00:23:11 C 14 33 26.35 -04 11 13.6 046
1998-04-23 00:24:23 C 14 33 26.27 -04 11 06.8 046
1998-04-23 01:04:35 C 14 33 23.02 -04 07 36.6 118
1998-04-23 01:06:23 C 14 33 22.86 -04 07 27.3 118
1998-04-23 01:10:37 C 14 33 22.53 -04 07 05.1 118
1998-04-23 02:45:09 C 14 33 17.42 -03 58 47.7 z 758
1998-04-23 03:02:28 C 14 33 16.16 -03 57 10.8 z 758
1998-04-23 03:05:30 C 14 33 16.06 -03 56 57.1 z 758
1998-04-23 03:08:29 C 14 33 15.93 -03 56 39.5 z 758
1998-04-23 06:21:14 C 14 33 01.22 -03 39 58.2 18.2 a 704
1998-04-23 06:48:29 C 14 32 59.05 -03 37 36.5 a 704
1998-04-23 06:48:41 C 14 32 58.98 -03 37 36.3 18.2 a 704
1998-04-23 07:15:32 C 14 32 56.90 -03 35 15.2 18.4 a 704
1998-04-23 07:15:43 C 14 32 56.87 -03 35 14.4 18.4 a 704
1998-04-23 07:42:37 C 14 32 54.69 -03 32 53.9 18.5 a 704
1998-04-23 07:42:48 C 14 32 54.78 -03 32 52.9 18.6 a 704
1998-04-23 08:09:48 C 14 32 52.56 -03 30 31.9 18.3 a 704
1998-04-23 08:09:59 C 14 32 52.51 -03 30 31.1 18.3 a 704
1998-04-24 00:42:35 C 14 31 40.15 -02 04 15.5 046