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
2021-02-10 01:41:02 C 07 57 34.05 +09 55 25.9 V W46
2021-02-10 09:21:40 C 07 57 15.50 +09 58 01.5 V T05
2021-02-10 09:26:17 C 07 57 15.31 +09 58 02.8 V T05
2021-02-10 09:57:26 C 07 57 14.01 +09 58 13.5 V T05
2021-02-10 10:38:15 C 07 57 12.36 +09 58 26.3 V T05
2021-02-12 09:34:24 C 07 55 24.86 +10 13 57.4 V T08
2021-02-12 09:38:25 C 07 55 24.70 +10 13 59.0 V T08
2021-02-12 10:02:09 C 07 55 23.80 +10 14 06.8 V T08
2021-02-12 10:26:44 C 07 55 22.84 +10 14 15.1 V T08
2021-02-16 08:30:59 C 07 52 09.38 +10 44 36.1 V T08
2021-02-16 09:14:29 C 07 52 07.92 +10 44 49.5 V T08
2021-02-16 09:55:24 C 07 52 06.56 +10 45 02.4 V T08
2021-02-16 10:05:29 C 07 52 06.22 +10 45 05.8 V T08
2021-02-17 05:11:55 C 07 51 30.78 +10 51 05.5 V 703
2021-02-17 05:20:06 C 07 51 30.56 +10 51 08.0 V 703
2021-02-17 05:36:28 C 07 51 29.94 +10 51 14.9 V 703
2021-02-17 09:27:23 C 07 51 23.00 +10 52 26.8 V T05
2021-02-17 09:32:00 C 07 51 22.80 +10 52 28.6 V T05
2021-02-17 09:46:04 C 07 51 22.41 +10 52 32.5 V T05
2021-02-17 10:03:22 C 07 51 21.82 +10 52 37.8 V T05
2021-02-18 03:53:42 C 07 50 50.35 +10 58 11.2 V 703
2021-02-18 04:01:59 C 07 50 50.09 +10 58 12.9 V 703
2021-02-18 04:10:17 C 07 50 49.86 +10 58 15.2 V 703
2021-02-18 04:18:35 C 07 50 49.59 +10 58 18.4 V 703
2021-02-18 05:07:21 C 07 50 48.12 +10 58 33.1 U I41
2021-02-18 07:09:41 C 07 50 44.40 +10 59 11.1 U I41
2021-02-20 04:54:31 C 07 49 28.74 +11 13 12.0 U I41
2021-02-20 05:35:26 C 07 49 27.62 +11 13 24.4 U I41
2021-02-22 04:10:50 C 07 48 18.16 +11 27 19.3 U I41
2021-02-22 05:38:18 C 07 48 15.98 +11 27 45.1 U I41
2021-02-22 08:16:53 C 07 48 12.32 +11 28 33.1 V T05
2021-02-22 08:24:35 C 07 48 12.14 +11 28 35.0 V T05
2021-02-22 08:31:37 C 07 48 11.92 +11 28 37.7 V T05
2021-02-22 09:22:52 C 07 48 10.66 +11 28 52.2 V T05
2021-03-03 08:24:30 C 07 44 32.55 +12 27 47.8 V T08
2021-03-03 08:29:49 C 07 44 32.47 +12 27 49.4 V T08
2021-03-03 08:37:07 C 07 44 32.39 +12 27 51.0 V T08
2021-03-03 09:01:49 C 07 44 32.10 +12 27 57.4 V T08
2021-03-04 07:34:59 C 07 44 18.70 +12 33 37.1 V T08
2021-03-04 07:39:37 C 07 44 18.59 +12 33 37.8 V T08
2021-03-04 08:03:46 C 07 44 18.37 +12 33 43.7 V T08
2021-03-04 08:26:57 C 07 44 18.11 +12 33 49.7 V T08
2021-03-19 04:06:53 C 07 44 23.92 +13 49 10.1 U I41
2021-03-19 04:37:36 C 07 44 24.17 +13 49 15.6 U I41
2021-03-21 04:04:36 C 07 44 54.02 +13 57 18.7 U I41
2021-03-21 05:23:40 C 07 44 54.85 +13 57 31.9 U I41
2021-04-01 07:22:53 C 07 49 31.31 +14 34 04.0 V T08
2021-04-01 07:27:32 C 07 49 31.40 +14 34 05.7 V T08
2021-04-01 07:42:56 C 07 49 31.74 +14 34 07.2 V T08
2021-04-01 07:50:54 C 07 49 31.90 +14 34 08.7 V T08
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)