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
1998-05-19 22:47:26 C 13 54 53.73 +35 33 57.8 557
1998-05-25 22:33:16 C 13 51 00.51 +39 15 36.6 118
1998-05-25 22:42:27 C 13 51 00.27 +39 15 48.1 118
1998-05-25 22:45:52 C 13 51 00.18 +39 15 52.4 118
1998-05-27 13:29:29 C 13 50 18.68 +40 03 12.3 360
1998-05-27 13:35:44 C 13 50 18.55 +40 03 19.0 360
1998-05-27 13:42:15 C 13 50 18.44 +40 03 26.6 360
1998-05-29 22:47:05 C 13 49 32.66 +41 04 56.1 557
1998-05-29 22:50:26 C 13 49 32.63 +41 04 58.9 557
1998-05-31 23:40:25 C 13 49 08.43 +41 50 52.2 557
1998-05-31 23:47:17 C 13 49 08.36 +41 50 58.3 557
1998-06-06 05:32:57 C 13 49 06.69 +43 25 03.2 658
1998-06-06 05:45:31 C 13 49 06.77 +43 25 11.6 658
1998-06-13 06:10:22 C 13 51 06.37 +44 48 32.9 658
1998-06-13 06:15:53 C 13 51 06.45 +44 48 34.9 658
1998-06-13 06:23:43 C 13 51 06.61 +44 48 37.7 658
1998-06-16 06:37:41 C 13 52 36.61 +45 12 49.2 658
1998-06-16 06:44:34 C 13 52 36.74 +45 12 50.8 658
1998-06-16 06:51:52 C 13 52 36.89 +45 12 52.8 658
1998-06-28 04:27:40 C 14 01 54.13 +45 59 23.8 z 711
1998-06-28 04:46:36 C 14 01 54.80 +45 59 24.3 z 711
1998-06-29 04:26:48 C 14 02 54.26 +46 00 27.6 z 711
1998-06-29 04:45:45 C 14 02 55.02 +46 00 28.3 z 711
1998-07-02 06:00:39 C 14 06 10.69 +46 01 29.8 658
1998-07-02 06:09:24 C 14 06 10.96 +46 01 28.9 658
1998-07-02 06:16:03 C 14 06 11.30 +46 01 28.5 658
2001-09-13 10:40:46 C 05 24 23.85 +34 01 49.2 d 649
2001-09-13 10:44:22 C 05 24 24.20 +34 01 42.1 d 649
2001-09-13 10:47:52 C 05 24 24.54 +34 01 36.0 d 649
2001-09-13 10:51:21 C 05 24 24.96 +34 01 28.9 d 649
2001-09-20 09:56:56 C 05 41 16.88 +28 15 32.9 d 649
2001-09-20 10:00:06 C 05 41 17.17 +28 15 26.0 d 649
2001-09-20 10:03:19 C 05 41 17.48 +28 15 18.7 d 649
2001-11-15 06:17:11 C 06 41 06.25 -42 23 16.3 d 829
2001-11-15 06:45:19 C 06 41 05.47 -42 24 25.3 d 829
2001-11-15 15:24:40 C 06 40 55.06 -42 45 52.0 c 474
2001-11-15 15:29:39 C 06 40 54.99 -42 46 03.3 c 474
2001-12-19 04:42:02 C 05 50 17.70 -61 40 14.5 d 829
2001-12-19 05:39:32 C 05 50 12.07 -61 40 42.7 d 829
2001-12-21 04:23:46 C 05 46 01.33 -62 01 57.9 d 829
2001-12-21 05:24:42 C 05 45 55.59 -62 02 23.2 d 829
2005-04-18 10:12:04 C 16 54 14.73 +01 15 52.6 19.5 c 704
2005-04-18 10:38:55 C 16 54 14.55 +01 17 45.6 19.4 c 704
2005-04-18 10:52:00 C 16 54 14.52 +01 18 41.7 19.4 c 704
2005-04-25 01:19:13 C 16 52 33.53 +12 56 54.4 r 170
2005-04-25 01:20:27 C 16 52 33.51 +12 56 59.8 r 170
2005-04-25 01:21:41 C 16 52 33.47 +12 57 05.3 r 170
2005-05-29 00:38:14 C 16 04 35.02 +53 27 43.8 o 461
2005-05-29 00:41:34 C 16 04 34.70 +53 27 48.1 o 461
2005-05-29 00:44:52 C 16 04 34.45 +53 27 52.4 o 461