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
2006-09-16 07:39:07 C 22 31 34.15 +22 04 35.8 r H45
2006-09-16 07:41:13 C 22 31 34.20 +22 04 32.9 r H45
2006-09-16 07:43:12 C 22 31 34.25 +22 04 29.9 r H45
2006-09-17 19:47:28 C 22 32 53.81 +21 19 38.9 r 113
2006-09-17 19:49:40 C 22 32 53.88 +21 19 36.2 r 113
2006-09-17 19:51:51 C 22 32 53.93 +21 19 33.4 r 113
2006-09-20 19:44:15 C 22 35 27.09 +19 53 48.9 r 240
2006-09-20 19:49:04 C 22 35 27.24 +19 53 43.9 r 240
2006-09-20 19:53:55 C 22 35 27.38 +19 53 38.3 r 240
2006-09-20 19:57:32 C 22 35 27.49 +19 53 34.5 r 240
2006-09-21 06:11:58 C 22 35 48.14 +19 41 50.6 r H45
2006-09-21 06:14:38 C 22 35 48.21 +19 41 47.6 r H45
2006-09-21 06:16:43 C 22 35 48.26 +19 41 45.6 r H45
2006-09-21 06:18:43 C 22 35 48.33 +19 41 43.2 r H45
2006-09-29 06:50:35 C 22 42 40.52 +16 17 54.9 r H45
2006-09-29 06:54:55 C 22 42 40.73 +16 17 50.4 r H45
2006-09-29 06:58:07 C 22 42 40.85 +16 17 47.3 r H45
2006-09-29 07:00:38 C 22 42 40.94 +16 17 44.7 r H45
2006-09-29 07:02:57 C 22 42 41.01 +16 17 42.7 r H45
2006-10-12 19:25:12 C 22 55 17.28 +11 55 53.6 r 941
2006-10-12 19:28:27 C 22 55 17.40 +11 55 51.7 r 941
2006-10-12 19:36:35 C 22 55 17.69 +11 55 47.5 r 941
2006-10-12 19:38:13 C 22 55 17.75 +11 55 46.4 r 941
2009-03-16 07:22:37 C 10 44 56.67 -07 06 03.4 o 291
2009-03-16 07:30:38 C 10 44 56.26 -07 06 01.5 o 291
2009-03-16 07:38:31 C 10 44 55.62 -07 05 58.2 o 291
2009-03-17 06:21:16 C 10 43 33.68 -06 57 39.4 o 291
2009-03-17 06:28:56 C 10 43 33.10 -06 57 35.8 o 291
2009-03-17 06:36:42 C 10 43 32.61 -06 57 34.2 o 291
2025-10-29 04:28:45 C 02 16 54.870 +22 10 02.20 V 807
2025-10-29 04:49:53 C 02 16 53.520 +22 09 50.90 V 807
2025-10-29 05:11:02 C 02 16 52.200 +22 09 39.30 V 807
2025-11-08 10:34:51 C 02 03 26.139 +19 59 11.82 X F52
2025-11-08 10:53:31 C 02 03 25.214 +19 59 01.92 X F52
2025-11-08 11:12:08 C 02 03 24.253 +19 58 52.45 X F52
2025-11-11 06:30:56 C 02 00 19.522 +19 24 53.63 X F52
2025-11-11 07:01:13 C 02 00 18.148 +19 24 38.61 X F52
2025-11-11 07:16:14 C 02 00 17.444 +19 24 31.37 X F52