2001 HW7

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5120249908 ± 8.00e-08
Semi-major axis (a)2.1737471806 AU ± 4.90e-09
Inclination (i)7.73643195° ± 1.23e-05
Long. of Asc. Node (Ω)195.21486011° ± 4.09e-05
Arg. of Perihelion (ω)83.10310331° ± 5.19e-05
Mean Anomaly (M)217.98283054° ± 1.80e-05
Mean Motion (n)0.3075379595°/day ± 1.04e-09
Perihelion dist (q)1.06073430 AU ± 1.74e-07
Aphelion dist (Q)3.28676006 AU ± 1.74e-07
Orbital Period3.20489310 yr ± 1.08e-08
Physical Parameters
H (abs. magnitude)20.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.434″
Uncertainty0
Orbit TypeAmor
MOID0.142281 AU
Observations Used76
Oppositions11
Arc Total2001-2017
First Observation Used2001-04-18
Last Observation Used2017-10-11
Observations (81)
Date Type RA Dec Mag Band Observatory
2001-04-18 03:39:33 C 12 15 42.04 +00 13 39.1 d 691
2001-04-18 04:16:04 C 12 15 40.23 +00 14 14.8 d 691
2001-04-18 04:52:40 C 12 15 38.38 +00 14 51.5 d 691
2001-04-21 05:11:40 C 12 12 24.11 +01 26 42.4 291
2001-04-21 05:16:36 C 12 12 23.89 +01 26 47.0 291
2001-04-21 05:21:25 C 12 12 23.61 +01 26 53.0 291
2001-04-21 05:26:11 C 12 12 23.40 +01 26 57.6 d 691
2001-04-21 05:34:35 C 12 12 22.99 +01 27 06.6 d 691
2001-04-21 05:49:24 C 12 12 22.23 +01 27 21.6 926
2001-04-21 05:56:17 C 12 12 21.93 +01 27 27.6 926
2001-04-23 06:34:21 C 12 10 18.62 +02 15 59.2 d 691
2001-04-23 06:40:05 C 12 10 18.31 +02 16 05.6 d 691
2001-04-28 03:36:53 C 12 05 55.82 +04 11 43.5 d 691
2001-04-28 03:44:39 C 12 05 55.53 +04 11 51.1 d 691
2001-04-28 03:52:45 C 12 05 55.23 +04 11 58.9 d 691
2001-05-01 05:14:35 C 12 03 38.88 +05 22 46.6 926
2001-05-01 05:19:26 C 12 03 38.57 +05 22 51.4 926
2001-05-23 21:04:21 C 12 02 40.55 +12 34 54.5 540
2001-05-23 21:17:00 C 12 02 40.92 +12 35 02.4 540
2001-05-23 21:33:45 C 12 02 41.28 +12 35 13.7 540
2001-07-31 09:31:00 C 15 32 20.60 +14 46 41.0 m 413
2001-07-31 09:32:49 C 15 32 21.03 +14 46 38.9 m 413
2001-07-31 09:34:37 C 15 32 21.47 +14 46 38.5 m 413
2001-07-31 09:36:23 C 15 32 21.90 +14 46 36.8 m 413
2001-07-31 09:39:57 C 15 32 22.75 +14 46 34.8 m 413
2001-07-31 09:41:43 C 15 32 23.16 +14 46 32.8 m 413
2001-07-31 09:43:31 C 15 32 23.56 +14 46 31.7 m 413
2001-08-01 05:58:28 C 15 37 24.47 +14 30 56.0 c 658
2001-08-01 06:02:19 C 15 37 25.43 +14 30 53.0 c 658
2001-08-01 06:04:53 C 15 37 26.08 +14 30 51.1 c 658
2001-08-04 07:05:32 C 15 56 00.45 +13 31 56.2 o 608
2001-08-24 03:45:17 C 18 03 40.15 +04 18 50.2 d 691
2001-08-24 03:50:45 C 18 03 41.51 +04 18 42.9 d 691
2001-09-17 02:34:54 C 20 06 53.66 -05 22 23.7 d 691
2001-09-17 02:46:00 C 20 06 55.45 -05 22 31.1 d 691
2001-09-17 02:56:25 C 20 06 57.21 -05 22 38.0 d 691
2017-03-19 09:33:59 C 12 32 04.84 -07 51 28.2 q G96
2017-03-19 09:40:17 C 12 32 04.59 -07 51 24.4 q G96
2017-03-19 09:46:33 C 12 32 04.32 -07 51 21.2 q G96
2017-03-19 09:52:50 C 12 32 04.10 -07 51 17.5 q G96
2017-03-26 07:29:15 C 12 25 37.07 -06 15 02.3 q G96
2017-03-26 07:35:21 C 12 25 36.77 -06 14 58.2 q G96
2017-03-26 07:42:55 C 12 25 36.44 -06 14 53.2 q G96
2017-03-26 07:50:36 C 12 25 36.06 -06 14 48.3 q G96
2017-03-26 22:20:15 C 12 24 58.38 -06 05 18.3 S 033
2017-03-26 22:23:33 C 12 24 58.21 -06 05 16.3 S 033
2017-03-26 22:26:53 C 12 24 58.08 -06 05 14.0 S 033
2017-03-26 22:30:11 C 12 24 57.92 -06 05 11.9 S 033
2017-03-27 00:14:21 C 12 24 53.07 -06 04 02.8 S 033
2017-03-27 00:17:40 C 12 24 52.89 -06 04 00.5 S 033