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
2006-07-23 07:22:42 C 18 28 38.07 +54 53 57.3 r H45
2006-07-24 20:26:45 C 18 52 39.09 +54 51 50.0 o 151
2006-07-24 20:28:40 C 18 52 40.27 +54 51 49.7 o 151
2006-07-24 20:30:37 C 18 52 41.47 +54 51 49.4 o 151
2006-07-24 22:49:18 C 18 54 03.67 +54 51 06.8 o 240
2006-07-24 22:58:47 C 18 54 09.28 +54 51 03.3 o 240
2006-07-24 23:08:16 C 18 54 14.93 +54 50 59.7 o 240
2006-07-24 23:15:20 C 18 54 19.15 +54 50 47.9 o A32
2006-07-24 23:27:55 C 18 54 26.67 +54 50 43.3 o A32
2006-07-24 23:40:30 C 18 54 34.18 +54 50 38.0 o A32
2006-07-24 23:52:11 C 18 54 41.14 +54 50 33.6 o A32
2006-07-25 21:39:06 C 19 07 54.17 +54 40 23.2 o 151
2006-07-25 21:40:40 C 19 07 55.14 +54 40 22.4 o 151
2006-07-25 21:42:14 C 19 07 56.05 +54 40 21.6 o 151
2006-08-02 23:42:06 C 20 36 28.06 +50 27 56.6 o A32
2006-08-02 23:47:37 C 20 36 29.80 +50 27 46.9 o A32
2006-08-03 00:13:46 C 20 36 38.11 +50 27 01.5 o A32
2006-08-04 09:45:12 C 20 47 13.12 +49 28 58.3 r H45
2006-08-04 09:47:45 C 20 47 13.85 +49 28 53.3 r H45
2006-08-04 09:49:27 C 20 47 14.35 +49 28 50.3 r H45
2006-08-04 09:50:44 C 20 47 14.70 +49 28 47.9 r H45
2006-08-04 09:52:03 C 20 47 15.07 +49 28 45.5 r H45
2006-08-04 09:53:21 C 20 47 15.47 +49 28 42.6 r H45
2006-08-08 08:10:50 C 21 11 50.11 +46 39 52.9 r H45
2006-08-08 08:12:20 C 21 11 50.42 +46 39 50.3 r H45
2006-08-08 08:14:09 C 21 11 50.81 +46 39 47.1 r H45
2006-08-08 08:27:44 C 21 11 53.59 +46 39 21.4 r H45
2006-08-08 08:29:37 C 21 11 53.98 +46 39 17.5 r H45
2006-08-08 08:33:29 C 21 11 54.77 +46 39 10.1 r H45
2006-08-14 21:50:13 C 21 40 02.28 +41 57 33.2 c A53
2006-08-14 22:17:07 C 21 40 05.73 +41 56 46.7 c A53
2006-08-14 22:24:29 C 21 40 06.66 +41 56 33.8 c A53
2006-08-17 08:35:58 C 21 47 36.22 +40 15 08.4 r H45
2006-08-17 08:37:52 C 21 47 36.42 +40 15 05.1 r H45
2006-08-17 08:39:09 C 21 47 36.55 +40 15 02.7 r H45
2006-08-17 08:40:28 C 21 47 36.70 +40 15 00.2 r H45
2006-08-17 08:41:49 C 21 47 36.85 +40 14 57.8 r H45
2006-08-17 08:43:11 C 21 47 36.98 +40 14 55.4 r H45
2006-08-20 22:33:13 C 21 56 49.91 +37 48 14.1 c A53
2006-08-20 22:45:14 C 21 56 50.91 +37 47 54.5 c A53
2006-08-20 23:00:21 C 21 56 52.13 +37 47 29.0 c A53
2006-08-22 02:10:45 C 21 59 19.94 +37 01 44.5 i 071
2006-08-22 02:16:05 C 21 59 20.37 +37 01 35.5 i 071
2006-08-22 02:21:28 C 21 59 20.78 +37 01 26.5 i 071
2006-08-22 02:26:42 C 21 59 21.30 +37 01 17.3 i 071
2006-08-23 20:21:38 C 22 02 58.34 +35 51 41.3 o 198
2006-08-23 20:23:10 C 22 02 58.46 +35 51 39.0 o 198
2006-08-23 20:35:32 C 22 02 59.37 +35 51 19.6 o 198
2006-08-23 20:36:34 C 22 02 59.44 +35 51 17.8 o 198
2006-08-25 08:23:28 C 22 05 42.27 +34 52 47.2 r H45