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
2017-03-27 00:20:57 C 12 24 52.73 -06 03 57.7 S 033
2017-03-27 06:17:15 C 12 24 37.41 -05 59 56.7 q I52
2017-03-27 06:22:44 C 12 24 37.17 -05 59 52.7 q I52
2017-03-27 06:28:12 C 12 24 36.90 -05 59 49.4 q I52
2017-03-27 06:33:29 C 12 24 36.64 -05 59 45.7 q I52
2017-04-04 06:46:20 C 12 15 27.08 -03 36 26.9 q G96
2017-04-04 06:53:59 C 12 15 26.68 -03 36 20.4 q G96
2017-04-04 07:03:21 C 12 15 26.20 -03 36 12.6 q G96
2017-04-15 05:51:49 C 12 02 14.94 +00 13 53.6 q G96
2017-04-15 05:58:01 C 12 02 14.62 +00 13 59.1 q G96
2017-04-15 06:04:10 C 12 02 14.29 +00 14 04.9 q G96
2017-04-15 06:10:22 C 12 02 13.99 +00 14 10.5 q G96
2017-04-16 07:12:00 C 12 01 02.505 +00 37 14.87 L F51
2017-04-16 07:29:26 C 12 01 01.602 +00 37 30.85 L F51
2017-04-16 07:46:48 C 12 01 00.704 +00 37 46.87 L F51
2017-04-16 08:04:11 C 12 00 59.799 +00 38 02.88 L F51
2017-04-23 05:57:05 C 11 53 43.00 +03 10 42.7 q G96
2017-04-23 06:03:19 C 11 53 42.72 +03 10 48.0 q G96
2017-04-23 06:09:30 C 11 53 42.49 +03 10 53.9 q G96
2017-04-23 06:15:40 C 11 53 42.20 +03 10 59.7 q G96
2017-05-01 03:13:45 C 11 47 34.54 +05 57 10.0 q G96
2017-05-01 03:23:33 C 11 47 34.24 +05 57 18.5 q G96
2017-05-01 03:31:51 C 11 47 34.03 +05 57 24.9 q G96
2017-05-01 03:43:43 C 11 47 33.64 +05 57 35.0 q G96
2017-05-18 04:13:21 C 11 45 34.35 +10 48 42.6 q G96
2017-05-18 04:19:19 C 11 45 34.40 +10 48 45.9 q G96
2017-05-18 04:25:15 C 11 45 34.48 +10 48 49.4 q G96
2017-05-18 04:31:12 C 11 45 34.54 +10 48 53.2 q G96
2017-10-11 06:34:17 C 21 10 10.840 -09 49 47.78 L F51
2017-10-11 06:52:04 C 21 10 13.039 -09 49 48.97 L F51
2017-10-11 07:27:33 C 21 10 17.390 -09 49 51.33 L F51