2006 HW57

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5190213138 ± 6.45e-09
Semi-major axis (a)2.1457102892 AU ± 1.10e-08
Inclination (i)7.11964520° ± 2.04e-06
Long. of Asc. Node (Ω)250.90295274° ± 1.43e-05
Arg. of Perihelion (ω)34.02971516° ± 1.52e-05
Mean Anomaly (M)57.89429268° ± 1.76e-05
Mean Motion (n)0.3135852672°/day ± 2.40e-09
Perihelion dist (q)1.03204092 AU ± 1.48e-08
Aphelion dist (Q)3.25937966 AU ± 2.16e-08
Orbital Period3.14308862 yr ± 2.41e-08
Physical Parameters
H (abs. magnitude)20.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.358″
Uncertainty0
Orbit TypeAmor
MOID0.047876 AU
Observations Used321
Oppositions13
Arc Total2006-2025
First Observation Used2006-04-29
Last Observation Used2025-11-11
Observations (338)
Date Type RA Dec Mag Band Observatory
2006-05-04 14:12:08 C 12 56 42.97 -23 49 42.2 r E12
2006-05-08 12:28:01 C 12 52 16.08 -22 41 07.8 o D35
2006-05-08 12:32:57 C 12 52 15.88 -22 41 02.4 o D35
2006-05-08 12:41:21 C 12 52 15.38 -22 40 57.7 o D35
2006-05-15 23:21:26 C 12 45 14.63 -19 58 08.4 o 807
2006-05-15 23:27:23 C 12 45 14.39 -19 58 02.7 o 807
2006-05-15 23:32:43 C 12 45 14.17 -19 57 57.3 o 807
2006-05-16 10:17:51 C 12 44 52.83 -19 46 52.1 r E12
2006-05-16 10:22:40 C 12 44 52.65 -19 46 47.1 r E12
2006-05-16 10:27:29 C 12 44 52.44 -19 46 43.2 r E12
2006-05-16 11:30:18 C 12 44 49.88 -19 45 37.0 r E12
2006-05-16 11:42:32 C 12 44 49.34 -19 45 23.8 r E12
2006-05-16 11:54:49 C 12 44 48.94 -19 45 11.8 r E12
2006-05-16 12:07:04 C 12 44 48.37 -19 44 58.4 r E12
2006-05-19 09:15:07 C 12 42 53.67 -18 29 48.8 r E12
2006-05-19 09:20:21 C 12 42 53.53 -18 29 43.5 r E12
2006-05-19 09:25:37 C 12 42 53.35 -18 29 37.6 r E12
2006-05-19 09:30:55 C 12 42 53.17 -18 29 32.0 r E12
2006-05-24 20:20:49 C 12 40 36.75 -15 50 24.5 c 104
2006-05-24 20:27:23 C 12 40 36.67 -15 50 16.1 c 104
2006-05-24 20:35:19 C 12 40 36.48 -15 50 05.7 c 104
2006-05-29 03:41:17 C 12 40 22.03 -13 27 02.5 d 291
2006-05-29 03:47:05 C 12 40 21.99 -13 26 54.0 d 291
2006-05-29 03:52:46 C 12 40 21.96 -13 26 45.7 d 291
2006-06-12 05:11:49 C 12 51 27.55 -03 21 04.9 o 448
2006-06-12 05:19:47 C 12 51 27.96 -03 20 46.3 o 448
2006-06-12 05:27:33 C 12 51 28.39 -03 20 29.5 o 448
2006-06-15 09:57:48 C 12 57 08.06 -00 18 58.4 r E12
2006-06-15 10:04:47 C 12 57 08.53 -00 18 41.2 r E12
2006-06-15 10:11:46 C 12 57 08.96 -00 18 23.4 r E12
2006-06-15 10:18:44 C 12 57 09.54 -00 18 06.0 r E12
2006-06-21 21:11:33 C 13 13 20.48 +07 02 25.5 c A99
2006-06-21 21:18:38 C 13 13 21.34 +07 02 49.2 c A99
2006-06-25 20:13:42 C 13 27 26.44 +12 37 05.3 c A50
2006-06-25 20:15:31 C 13 27 26.77 +12 37 12.9 c A50
2006-06-25 20:18:11 C 13 27 27.18 +12 37 22.8 c A50
2006-06-25 20:19:47 C 13 27 27.46 +12 37 28.8 c A50
2006-06-25 20:23:02 C 13 27 27.98 +12 37 41.0 c A50
2006-06-26 21:03:25 C 13 31 47.61 +14 13 55.3 17.7 o 160
2006-06-26 21:09:04 C 13 31 48.61 +14 14 17.2 17.2 o 160
2006-06-26 21:14:57 C 13 31 49.60 +14 14 40.8 17.1 o 160
2006-06-26 21:21:49 C 13 31 50.77 +14 15 07.2 17.2 o 160
2006-06-29 22:50:25 C 13 46 42.86 +19 24 52.7 o 204
2006-06-29 22:53:26 C 13 46 43.52 +19 25 06.0 o 204
2006-06-29 22:56:28 C 13 46 44.16 +19 25 19.1 o 204
2006-06-29 22:59:29 C 13 46 44.81 +19 25 32.3 o 204
2006-06-29 23:02:30 C 13 46 45.48 +19 25 45.7 o 204
2006-06-30 02:29:12 C 13 47 34.30 +19 41 24.0 H67
2006-06-30 02:30:28 C 13 47 34.57 +19 41 29.6 H67
2006-06-30 02:32:02 C 13 47 34.83 +19 41 36.6 H67