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
1999-07-03 22:27:29 C 14 51 55.36 -02 23 34.7 c 118
1999-07-03 22:46:43 C 14 51 55.14 -02 23 37.0 c 118
2001-02-01 10:02:13 C 11 20 11.63 +00 06 36.6 711
2001-02-01 10:20:59 C 11 20 11.13 +00 06 40.4 711
2001-02-01 10:39:44 C 11 20 10.57 +00 06 44.4 711
2001-02-22 07:29:39 C 11 02 13.28 +02 27 25.0 19.1 c 704
2001-02-22 07:49:58 C 11 02 12.47 +02 27 31.6 19.4 c 704
2001-02-22 08:10:14 C 11 02 11.58 +02 27 40.6 19.3 c 704
2001-02-22 08:30:29 C 11 02 10.76 +02 27 45.4 19.2 c 704
2001-03-20 07:43:22 C 10 36 13.18 +06 03 02.1 t 608
2001-03-20 07:58:41 C 10 36 12.60 +06 03 08.3 t 608
2001-03-20 08:14:01 C 10 36 11.97 +06 03 13.2 t 608
2002-04-09 10:10:43 C 16 57 13.65 -12 08 27.0 18.9 c 704
2002-04-09 10:27:53 C 16 57 13.95 -12 08 24.6 18.7 c 704
2002-04-09 10:44:53 C 16 57 14.19 -12 08 19.2 18.9 c 704
2002-04-09 11:01:53 C 16 57 14.38 -12 08 13.7 19.0 c 704
2002-04-19 10:21:10 C 16 59 13.23 -10 54 28.6 18.2 c 704
2002-04-19 10:40:22 C 16 59 13.23 -10 54 21.9 18.5 c 704
2002-04-19 10:59:35 C 16 59 13.25 -10 54 15.0 18.4 c 704
2002-05-03 09:22:30 C 16 56 16.74 -08 51 22.0 c 670
2002-05-03 09:58:34 C 16 56 15.96 -08 51 07.6 c 670
2002-05-03 11:07:49 C 16 56 14.42 -08 50 40.0 c 670
2002-05-08 07:59:01 C 16 53 29.77 -08 03 25.5 17.0 c 704
2002-05-08 08:33:20 C 16 53 28.72 -08 03 11.3 17.4 c 704
2002-05-08 08:50:48 C 16 53 28.19 -08 03 04.2 16.9 c 704
2002-05-08 09:08:28 C 16 53 27.70 -08 02 56.6 17.0 c 704
2002-05-08 14:16:14 C 16 53 18.90 -08 00 47.3 18.3 c 608
2002-05-08 14:31:27 C 16 53 18.45 -08 00 41.1 18.7 c 608
2002-05-08 14:46:45 C 16 53 17.98 -08 00 34.9 18.2 c 608
2002-05-09 08:58:04 C 16 52 47.44 -07 53 07.6 c 670
2002-05-09 11:53:45 C 16 52 41.99 -07 51 55.3 c 670
2002-05-11 07:08:45 C 16 51 22.89 -07 33 58.8 17.3 c 704
2002-05-11 07:31:11 C 16 51 22.10 -07 33 49.0 17.5 c 704
2002-05-11 07:52:45 C 16 51 21.37 -07 33 40.0 17.6 c 704
2002-05-11 08:15:38 C 16 51 20.59 -07 33 30.3 17.9 c 704
2002-05-11 08:36:55 C 16 51 19.85 -07 33 21.6 18.5 c 704
2002-05-12 07:49:17 C 16 50 34.17 -07 23 41.0 17.1 c 704
2002-05-12 08:10:42 C 16 50 33.40 -07 23 32.4 17.2 c 704
2002-05-12 08:32:18 C 16 50 32.61 -07 23 23.1 17.4 c 704
2002-05-13 08:55:21 C 16 49 42.27 -07 13 12.3 17.3 c 704
2002-05-13 09:16:31 C 16 49 41.47 -07 13 03.3 17.3 c 704
2002-05-13 09:37:38 C 16 49 40.71 -07 12 54.4 17.1 c 704
2002-05-13 09:59:35 C 16 49 39.87 -07 12 45.1 17.0 c 704
2002-05-13 10:20:54 C 16 49 39.10 -07 12 36.2 16.9 c 704
2002-05-14 07:17:40 C 16 48 54.25 -07 03 50.6 17.0 c 704
2002-05-14 08:02:17 C 16 48 52.56 -07 03 31.2 17.6 c 704
2002-05-14 08:23:21 C 16 48 51.77 -07 03 22.4 17.4 c 704
2002-05-14 08:44:39 C 16 48 50.88 -07 03 13.1 17.6 c 704
2002-05-15 11:45:39 C 16 47 50.20 -06 51 53.7 18.2 c 608
2002-05-15 12:01:18 C 16 47 49.59 -06 51 46.4 19.3 c 608
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)