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
2019-09-24 08:53:07 C 00 06 59.23 +74 47 38.3 U I41
2019-09-24 11:39:28 C 00 07 03.35 +74 43 33.7 V T08
2019-09-24 11:44:13 C 00 07 03.20 +74 43 26.1 V T08
2019-09-24 11:52:13 C 00 07 03.28 +74 43 13.7 V T08
2019-09-24 12:08:54 C 00 07 03.35 +74 42 48.1 V T08
2019-09-28 10:27:58 C 00 09 24.66 +71 59 01.4 V T08
2019-09-28 10:42:22 C 00 09 24.65 +71 58 32.7 V T08
2019-09-28 10:47:00 C 00 09 24.62 +71 58 23.5 V T08
2019-09-28 10:57:26 C 00 09 24.68 +71 58 02.9 V T08
2019-10-02 10:49:44 C 00 11 34.81 +68 16 37.2 V T08
2019-10-02 10:55:27 C 00 11 34.82 +68 16 21.9 V T08
2019-10-02 11:04:33 C 00 11 34.86 +68 15 57.1 V T08
2019-10-02 11:23:32 C 00 11 34.96 +68 15 06.0 V T08
2019-10-04 07:16:51 C 00 12 35.79 +66 10 27.8 U I41
2019-10-04 07:18:08 C 00 12 35.79 +66 10 23.9 U I41
2019-10-04 08:17:38 C 00 12 36.13 +66 07 22.7 U I41
2019-10-04 08:19:01 C 00 12 36.14 +66 07 18.3 U I41
2019-10-06 09:58:12 C 00 13 44.99 +63 25 09.5 V T08
2019-10-06 10:18:47 C 00 13 45.13 +63 23 57.2 V T08
2019-10-06 10:22:47 C 00 13 45.16 +63 23 43.4 V T08
2019-10-06 10:33:25 C 00 13 45.21 +63 23 05.7 V T08
2019-10-07 06:42:57 C 00 14 14.68 +62 09 58.2 U I41
2019-10-07 06:43:36 C 00 14 14.69 +62 09 55.7 U I41
2019-10-08 03:03:41 C 00 14 46.37 +60 51 38.9 U I41
2019-10-08 03:45:37 C 00 14 46.96 +60 48 56.2 U I41
2019-10-08 05:03:29 C 00 14 47.82 +60 43 52.1 U I41
2019-10-08 05:13:18 C 00 14 47.92 +60 43 13.4 U I41
2019-10-08 05:25:23 C 00 14 48.03 +60 42 25.9 U I41
2019-10-08 05:35:13 C 00 14 48.12 +60 41 47.2 U I41
2019-10-08 09:34:15 C 00 14 52.53 +60 25 58.0 V T05
2019-10-08 09:38:59 C 00 14 52.56 +60 25 39.0 V T05
2019-10-08 09:47:34 C 00 14 52.59 +60 25 04.3 V T05
2019-10-08 09:49:31 C 00 14 50.40 +60 24 43.2 U I41
2019-10-08 10:01:39 C 00 14 52.67 +60 24 07.4 V T05
2019-10-09 05:11:19 C 00 15 22.41 +59 04 32.3 U I41
2019-10-09 05:23:23 C 00 15 22.53 +59 03 41.4 U I41
2019-10-09 05:33:13 C 00 15 22.62 +59 02 59.9 U I41
2019-10-09 06:26:53 C 00 15 23.11 +58 59 12.0 U I41
2019-10-09 06:27:31 C 00 15 23.11 +58 59 09.4 U I41
2019-10-10 01:45:01 C 00 15 53.30 +57 34 19.5 V W34
2019-10-10 02:08:49 C 00 15 53.58 +57 32 33.7 V W34
2019-10-10 02:21:20 C 00 15 53.74 +57 31 37.6 V W34
2019-10-10 11:14:26 S 00 13 16.550 +56 58 54.37 V C57
2019-10-10 11:14:26 s 1 +120173.52 6 +263936.47 2960.0 C57
2019-10-10 13:14:26 S 00 13 15.775 +56 49 35.72 V C57
2019-10-10 13:14:26 s 1 +117026.03 2 +270331.08 970.0 C57
2019-10-10 14:14:26 S 00 13 15.852 +56 44 39.62 V C57
2019-10-10 14:14:26 s 1 +115416.22 0 +273447.89 7570.0 C57
2019-10-10 16:14:26 S 00 13 14.258 +56 35 16.26 V C57
2019-10-10 16:14:26 s 1 +112130.82 0 +279524.09 3230.0 C57