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
2005-05-29 00:48:11 C 16 04 34.18 +53 27 56.8 o 461
2005-08-30 20:01:42 C 16 34 58.94 +51 49 39.2 o 240
2005-08-30 20:10:25 C 16 34 59.88 +51 49 33.0 o 240
2005-08-30 20:36:30 C 16 35 02.40 +51 49 13.2 o 240
2012-04-07 06:38:59 C 18 00 33.20 -03 46 06.8 o 807
2012-04-07 07:01:16 C 18 00 34.73 -03 45 01.7 o 807
2012-04-08 06:55:34 C 18 02 20.42 -02 34 43.9 o 807
2012-04-08 07:06:47 C 18 02 21.18 -02 34 10.9 o 807
2012-04-08 07:15:52 C 18 02 21.81 -02 33 43.7 o 807
2012-04-08 07:24:58 C 18 02 22.46 -02 33 16.3 o 807
2012-10-23 01:21:22 C 21 14 11.40 +23 33 55.9 u 448
2012-10-23 01:33:22 C 21 14 13.60 +23 33 03.6 u 448
2012-10-23 01:45:09 C 21 14 15.71 +23 32 12.0 u 448
2012-10-25 01:31:22 C 21 23 07.09 +20 03 00.3 u H21
2012-10-25 01:40:02 C 21 23 08.63 +20 02 22.2 u H21
2012-10-25 01:46:34 C 21 23 09.79 +20 01 53.7 u H21
2012-10-29 01:20:53 C 21 40 29.00 +13 05 34.1 u 448
2012-10-29 01:32:32 C 21 40 30.97 +13 04 44.0 u 448
2012-10-29 01:44:36 C 21 40 33.07 +13 03 53.0 u 448
2012-11-01 02:05:37 C 21 53 13.91 +07 59 52.1 u H21
2012-11-01 02:10:59 C 21 53 14.80 +07 59 30.2 u H21
2012-11-01 02:16:22 C 21 53 15.70 +07 59 07.9 u H21
2012-11-01 02:21:53 C 21 53 16.63 +07 58 45.6 u H21
2012-11-07 01:11:54 C 22 17 13.72 -01 06 00.7 q 448
2012-11-07 01:24:12 C 22 17 15.71 -01 06 43.4 q 448
2012-11-07 01:40:47 C 22 17 18.29 -01 07 41.8 q 448
2012-11-12 01:36:23 C 22 36 15.58 -07 32 19.8 18.8 c 704
2012-11-12 01:58:08 C 22 36 18.80 -07 33 22.7 19.4 c 704
2012-11-12 02:19:36 C 22 36 22.00 -07 34 25.1 19.5 c 704
2012-11-12 02:40:56 C 22 36 25.10 -07 35 26.8 19.6 c 704
2012-11-12 03:02:32 C 22 36 28.34 -07 36 30.2 19.7 c 704
2012-11-17 03:46:31 C 22 54 32.47 -12 52 55.9 r 703
2012-11-17 03:55:42 C 22 54 33.73 -12 53 18.9 r 703
2012-11-17 04:04:54 C 22 54 35.13 -12 53 40.4 r 703
2012-11-17 04:14:07 C 22 54 36.36 -12 54 00.8 r 703
2016-04-22 00:36:50 C 09 45 08.45 -20 28 45.3 u 807
2016-04-22 00:41:03 C 09 45 08.80 -20 28 32.2 u 807
2016-04-22 00:45:26 C 09 45 09.16 -20 28 18.0 u 807
2016-04-22 00:49:26 C 09 45 09.50 -20 28 06.0 u 807
2016-04-22 00:53:50 C 09 45 09.87 -20 27 51.9 u 807
2016-04-29 02:15:56 C 10 00 37.71 -12 00 28.6 u H21
2016-04-29 02:23:43 C 10 00 38.45 -12 00 06.4 u H21
2016-04-29 02:31:35 C 10 00 39.13 -11 59 43.9 u H21
2019-09-20 22:54:51 C 00 04 39.92 +76 35 43.4 V C95
2019-09-20 22:57:05 C 00 04 40.04 +76 35 40.8 V C95
2019-09-20 22:59:19 C 00 04 39.95 +76 35 39.3 V C95
2019-09-20 23:01:33 C 00 04 40.01 +76 35 37.0 V C95
2019-09-24 06:59:59 C 00 06 58.60 +74 50 26.9 U I41
2019-09-24 07:41:13 C 00 06 58.82 +74 49 25.9 U I41
2019-09-24 08:45:49 C 00 06 59.14 +74 47 49.3 U I41