8567 (1996 HW1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4490939396 ± 2.75e-09
Semi-major axis (a)2.0456735689 AU ± 2.83e-09
Inclination (i)8.44895522° ± 1.22e-06
Long. of Asc. Node (Ω)177.09285092° ± 3.68e-06
Arg. of Perihelion (ω)177.28234728° ± 4.78e-06
Mean Anomaly (M)314.32050003° ± 4.72e-06
Mean Motion (n)0.3368664620°/day ± 7.00e-10
Perihelion dist (q)1.12697397 AU ± 5.84e-09
Aphelion dist (Q)2.96437317 AU ± 6.96e-09
Orbital Period2.92586646 yr ± 6.08e-09
Physical Parameters
H (abs. magnitude)15.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.475″
Uncertainty0
Orbit TypeAmor
MOID0.120293 AU
Observations Used5269
Radar Obs Used12
Gaia Obs Used119
Oppositions41
Arc Total1955-2025
First Observation Used1955-05-23
Last Observation Used2025-06-23
Observations (6356)
Date Type RA Dec Mag Band Observatory
2002-09-20 02:23:36 C 17 08 25.21 -14 31 26.5 711
2002-09-20 02:33:30 C 17 08 26.25 -14 31 31.2 711
2002-09-20 02:43:22 C 17 08 27.34 -14 31 35.8 711
2002-10-04 02:11:37 C 17 50 00.05 -17 11 02.2 17.3 c 704
2002-10-04 02:34:05 C 17 50 03.04 -17 11 11.8 17.5 c 704
2002-10-04 02:56:34 C 17 50 06.05 -17 11 22.0 18.6 c 704
2002-10-04 03:19:04 C 17 50 09.06 -17 11 30.4 18.1 c 704
2002-11-10 01:30:47 C 20 15 05.92 -20 08 16.0 17.0 c 704
2002-11-10 01:54:01 C 20 15 10.14 -20 08 12.4 17.5 c 704
2002-11-10 02:16:39 C 20 15 14.31 -20 08 09.4 17.4 c 704
2002-11-10 02:39:16 C 20 15 18.48 -20 08 06.7 18.1 c 704
2002-11-10 03:01:57 C 20 15 22.64 -20 08 03.0 18.1 c 704
2002-11-24 10:02:08 C 21 19 52.73 -18 36 31.0 e 428
2002-11-24 10:06:31 C 21 19 53.59 -18 36 28.9 e 428
2002-11-25 10:01:24 C 21 24 24.54 -18 26 21.6 e 428
2002-11-25 10:05:46 C 21 24 25.34 -18 26 20.0 e 428
2002-11-25 10:10:10 C 21 24 26.22 -18 26 18.0 e 428
2002-12-14 05:40:39 C 22 47 37.46 -13 56 54.0 18.6 c 608
2002-12-14 05:55:49 C 22 47 40.10 -13 56 43.0 18.9 c 608
2002-12-14 06:11:06 C 22 47 42.82 -13 56 31.1 19.1 c 608
2002-12-19 06:58:34 C 23 08 49.93 -12 24 38.5 18.1 c 608
2002-12-19 07:13:14 C 23 08 52.43 -12 24 26.7 18.0 c 608
2002-12-19 07:29:12 C 23 08 55.17 -12 24 14.5 18.4 c 608
2003-01-04 01:42:25 C 00 10 53.92 -07 10 30.2 c 858
2003-01-04 01:47:05 C 00 10 54.62 -07 10 26.6 c 858
2003-01-04 01:51:48 C 00 10 55.34 -07 10 21.8 c 858
2003-01-08 01:57:37 C 00 25 39.30 -05 48 09.5 18.3 c 704
2003-01-08 02:21:06 C 00 25 42.82 -05 47 49.2 19.0 c 704
2003-01-08 02:44:18 C 00 25 46.30 -05 47 29.0 18.5 c 704
2003-01-08 03:08:35 C 00 25 49.88 -05 47 09.0 18.4 c 704
2003-01-08 03:36:54 C 00 25 54.25 -05 46 43.2 18.2 c 704
2003-01-28 02:00:26 C 01 33 37.16 +00 47 57.6 17.9 c 704
2003-01-28 02:22:22 C 01 33 40.05 +00 48 14.6 18.3 c 704
2003-01-28 02:44:09 C 01 33 42.90 +00 48 31.6 18.9 c 704
2003-01-28 03:06:17 C 01 33 45.81 +00 48 48.6 18.7 c 704
2003-01-28 03:28:07 C 01 33 48.64 +00 49 05.6 19.6 c 704
2003-01-30 01:52:18 C 01 39 56.43 +01 24 58.1 17.7 c 704
2003-01-30 02:14:38 C 01 39 59.35 +01 25 15.1 18.0 c 704
2003-01-30 02:36:58 C 01 40 02.20 +01 25 32.8 18.3 c 704
2003-01-30 02:59:18 C 01 40 05.15 +01 25 49.0 18.5 c 704
2003-01-30 03:21:46 C 01 40 08.07 +01 26 06.3 18.5 c 704
2004-01-29 11:23:51 C 11 42 09.67 -01 21 26.9 d 291
2004-01-29 11:36:23 C 11 42 09.40 -01 21 25.3 d 291
2004-01-29 11:48:53 C 11 42 09.15 -01 21 23.1 d 291
2004-01-30 08:30:16 C 11 41 45.78 -01 18 04.5 d 291
2004-01-30 08:42:57 C 11 41 45.54 -01 18 02.5 d 291
2004-01-30 08:57:15 C 11 41 45.23 -01 18 00.2 d 291
2004-02-20 11:17:55 C 11 26 55.10 +00 43 35.3 t 608
2004-02-20 11:48:51 C 11 26 53.81 +00 43 45.0 t 608
2004-02-29 07:06:46 C 11 18 26.85 +01 52 57.2 m 683
Radar Observations (18)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-09-15 06:16:00 135226140.2 1 us 2380 -1 -1
2008-09-15 06:16:00 -10482.845 0.48 Hz 2380 -1 -1
2008-09-15.261111 13522614020 1000 us 2380 251 251
2008-09-16 06:25:00 135665183.75 2 us 2380 -1 -1
2008-09-16 06:25:00 -14640.891 0.48 Hz 2380 -1 -1
2008-09-16.267361 13566518375 2000 us 2380 251 251
2008-09-17 06:22:00 136241112.51 1 us 2380 -1 -1
2008-09-17 06:22:00 -18352.48 0.48 Hz 2380 -1 -1
2008-09-17.265278 13624111251 1000 us 2380 251 251
2008-09-18 06:04:00 136946748.12 1 us 2380 -1 -1
2008-09-18 06:04:00 -21511.747 0.48 Hz 2380 -1 -1
2008-09-18.252778 13694674812 1000 us 2380 251 251
2008-09-19 06:14:00 137803137.95 1 us 2380 -1 -1
2008-09-19 06:14:00 -25527.245 0.48 Hz 2380 -1 -1
2008-09-19.259722 13780313795 1000 us 2380 251 251
2008-09-21 05:39:00 139875021 1 us 2380 -1 -1
2008-09-21 05:39:00 -31553.962 0.48 Hz 2380 -1 -1
2008-09-21.235417 13987502100 1000 us 2380 251 251
Station codes
-1 Arecibo (305-m, 1963–2020)