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
2021-01-16 01:54:07 S 08 28 11.299 +06 39 59.36 V C57
2021-01-16 01:54:07 s 1 +141197.78 9 +215203.85 6300.0 C57
2021-01-16 02:14:07 S 08 28 10.224 +06 40 04.37 V C57
2021-01-16 02:14:07 s 1 +140861.83 9 +216576.16 5460.0 C57
2021-01-16 02:24:07 S 08 28 09.794 +06 40 10.02 V C57
2021-01-16 02:24:07 s 1 +140692.10 9 +217259.64 2020.0 C57
2021-01-16 02:54:07 S 08 28 08.150 +06 40 17.62 V C57
2021-01-16 02:54:07 s 1 +140175.99 4 +219299.43 9770.0 C57
2021-01-16 03:04:07 S 08 28 07.738 +06 40 15.53 V C57
2021-01-16 03:04:07 s 1 +140001.67 2 +219975.82 8420.0 C57
2021-01-16 03:14:07 S 08 28 06.835 +06 40 17.54 V C57
2021-01-16 03:14:07 s 1 +139826.22 1 +220650.45 5120.0 C57
2021-01-16 03:24:07 S 08 28 06.622 +06 40 24.10 V C57
2021-01-16 03:24:07 s 1 +139649.64 8 +221323.33 9890.0 C57
2021-01-16 03:34:07 S 08 28 05.990 +06 40 31.01 V C57
2021-01-16 03:34:07 s 1 +139471.96 0 +221994.45 2740.0 C57
2021-01-16 03:44:07 S 08 28 05.206 +06 40 32.95 V C57
2021-01-16 03:44:07 s 1 +139293.16 5 +222663.83 3680.0 C57
2021-01-16 03:54:07 S 08 28 04.838 +06 40 34.14 V C57
2021-01-16 03:54:07 s 1 +139113.27 0 +223331.46 2730.0 C57
2021-01-16 04:54:07 S 08 28 01.536 +06 40 48.22 V C57
2021-01-16 04:54:07 s 1 +138011.19 6 +227300.82 7840.0 C57
2021-01-16 05:14:07 S 08 28 00.703 +06 40 56.64 V C57
2021-01-16 05:14:07 s 1 +137635.35 4 +228610.16 8250.0 C57
2021-01-16 05:24:07 S 08 27 59.712 +06 40 56.93 V C57
2021-01-16 05:24:07 s 1 +137445.87 4 +229262.27 770.0 C57
2021-01-16 05:34:07 S 08 27 59.381 +06 41 00.06 V C57
2021-01-16 05:34:07 s 1 +137255.36 1 +229912.67 1500.0 C57
2021-01-16 05:54:07 S 08 27 58.397 +06 41 08.30 V C57
2021-01-16 05:54:07 s 1 +136871.27 0 +231208.36 7670.0 C57
2021-01-16 06:14:07 S 08 27 56.983 +06 41 14.32 V C57
2021-01-16 06:14:07 s 1 +136483.13 1 +232497.29 6870.0 C57
2021-01-16 06:44:07 S 08 27 55.817 +06 41 20.18 V C57
2021-01-16 06:44:07 s 1 +135893.44 8 +234418.04 7750.0 C57
2021-01-16 06:54:07 S 08 27 55.198 +06 41 23.64 V C57
2021-01-16 06:54:07 s 1 +135694.91 8 +235054.93 4650.0 C57
2021-01-16 07:14:07 S 08 27 54.209 +06 41 32.06 V C57
2021-01-16 07:14:07 s 1 +135294.94 3 +236323.71 3400.0 C57
2021-01-16 07:24:07 S 08 27 53.434 +06 41 32.06 V C57
2021-01-16 07:24:07 s 1 +135093.51 0 +236955.60 5290.0 C57
2021-01-16 07:44:07 S 08 27 52.514 +06 41 39.73 V C57
2021-01-16 07:44:07 s 1 +134687.78 3 +238214.41 4110.0 C57
2021-01-16 08:04:07 S 08 27 51.662 +06 41 48.66 V C57
2021-01-16 08:04:07 s 1 +134278.28 0 +239466.60 6410.0 C57
2021-01-16 08:14:07 S 08 27 50.988 +06 41 50.03 V C57
2021-01-16 08:14:07 s 1 +134072.12 7 +240090.23 140.0 C57
2021-01-16 08:22:18 C 08 27 32.67 +06 41 11.4 V T05
2021-01-16 08:24:07 S 08 27 50.218 +06 41 50.21 V C57
2021-01-16 08:24:07 s 1 +133865.04 8 +240712.21 2270.0 C57
2021-01-16 08:42:48 C 08 27 31.50 +06 41 17.4 V T05
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)