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
2021-01-24 01:54:06 S 08 17 15.132 +07 38 19.90 V C57
2021-01-24 01:54:06 s 1 -191802.71 6 +242652.21 2090.0 C57
2021-01-24 02:04:06 S 08 17 14.707 +07 38 29.40 V C57
2021-01-24 02:04:06 s 1 -191928.50 4 +242100.69 3140.0 C57
2021-01-24 02:14:06 S 08 17 13.930 +07 38 28.68 V C57
2021-01-24 02:14:06 s 1 -192053.37 1 +241548.02 2590.0 C57
2021-01-24 02:34:06 S 08 17 13.027 +07 38 32.57 V C57
2021-01-24 02:34:06 s 1 -192300.33 1 +240439.20 6660.0 C57
2021-01-24 02:44:06 S 08 17 12.434 +07 38 36.38 V C57
2021-01-24 02:44:06 s 1 -192422.41 5 +239883.05 1270.0 C57
2021-01-24 02:54:06 S 08 17 11.674 +07 38 44.52 V C57
2021-01-24 02:54:06 s 1 -192543.56 5 +239325.74 4250.0 C57
2021-01-24 03:24:06 S 08 17 10.013 +07 38 49.74 V C57
2021-01-24 03:24:06 s 1 -192901.36 4 +237646.83 3350.0 C57
2021-01-24 03:34:06 S 08 17 09.295 +07 38 56.58 V C57
2021-01-24 03:34:06 s 1 -193018.73 4 +237084.87 9750.0 C57
2021-01-24 03:44:06 S 08 17 08.789 +07 38 59.06 V C57
2021-01-24 03:44:06 s 1 -193135.15 0 +236521.73 4480.0 C57
2021-01-24 03:54:06 S 08 17 08.256 +07 39 00.22 V C57
2021-01-24 03:54:06 s 1 -193250.60 7 +235957.43 7550.0 C57
2021-01-24 04:04:06 S 08 17 08.021 +07 39 07.70 V C57
2021-01-24 04:04:06 s 1 -193365.10 2 +235391.96 8940.0 C57
2021-01-24 04:34:06 S 08 17 06.106 +07 39 14.44 V C57
2021-01-24 04:34:06 s 1 -193702.77 3 +233688.52 2990.0 C57
2021-01-24 04:44:06 S 08 17 05.484 +07 39 17.35 V C57
2021-01-24 04:44:06 s 1 -193813.37 9 +233118.35 7600.0 C57
2021-01-24 05:04:06 S 08 17 04.142 +07 39 24.08 V C57
2021-01-24 05:04:06 s 1 -194031.63 8 +231974.50 1690.0 C57
2021-01-24 05:14:06 S 08 17 03.931 +07 39 25.70 V C57
2021-01-24 05:14:06 s 1 -194139.28 4 +231400.80 1140.0 C57
2021-01-24 05:44:06 S 08 17 02.021 +07 39 38.92 V C57
2021-01-24 05:44:06 s 1 -194456.23 6 +229672.63 9070.0 C57
2021-01-24 05:54:06 S 08 17 01.368 +07 39 38.45 V C57
2021-01-24 05:54:06 s 1 -194559.87 7 +229094.21 1540.0 C57
2021-01-24 06:04:06 S 08 17 00.953 +07 39 46.19 V C57
2021-01-24 06:04:06 s 1 -194662.50 7 +228514.60 2250.0 C57
2021-01-24 06:14:06 S 08 17 00.262 +07 39 41.26 V C57
2021-01-24 06:14:06 s 1 -194764.12 1 +227933.80 1190.0 C57
2021-01-24 06:24:06 S 08 16 59.681 +07 39 54.11 V C57
2021-01-24 06:24:06 s 1 -194864.71 5 +227351.82 8340.0 C57
2021-01-24 06:44:06 S 08 16 58.534 +07 39 58.82 V C57
2021-01-24 06:44:06 s 1 -195062.82 5 +226184.28 7280.0 C57
2021-01-24 06:54:06 S 08 16 57.962 +07 40 00.70 V C57
2021-01-24 06:54:06 s 1 -195160.33 2 +225598.72 9050.0 C57
2021-01-24 07:04:06 S 08 16 57.794 +07 39 59.65 V C57
2021-01-24 07:04:06 s 1 -195256.80 2 +225011.97 9010.0 C57
2021-01-24 07:14:06 S 08 16 56.825 +07 40 09.73 V C57
2021-01-24 07:14:06 s 1 -195352.22 9 +224424.03 7150.0 C57
2021-01-24 07:44:06 S 08 16 55.063 +07 40 16.10 V C57
2021-01-24 07:44:06 s 1 -195632.21 5 +222653.01 570.0 C57
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)