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
2021-01-25 11:24:06 S 08 15 20.954 +07 48 58.90 V C57
2021-01-25 11:24:06 s 1 -191551.19 3 +106740.65 5690.0 C57
2021-01-25 11:54:06 S 08 15 19.454 +07 49 14.70 V C57
2021-01-25 11:54:06 s 1 -191000.35 8 +104303.42 230.0 C57
2021-01-25 12:14:06 S 08 15 17.978 +07 49 20.03 V C57
2021-01-25 12:14:06 s 1 -190620.32 1 +102671.62 7040.0 C57
2021-01-25 12:24:06 S 08 15 17.477 +07 49 26.33 V C57
2021-01-25 12:24:06 s 1 -190426.40 9 +101853.63 3500.0 C57
2021-01-25 12:44:06 S 08 15 16.613 +07 49 31.84 V C57
2021-01-25 12:44:06 s 1 -190030.71 0 +100213.47 2350.0 C57
2021-01-25 12:54:06 S 08 15 15.840 +07 49 37.67 V C57
2021-01-25 12:54:06 s 1 -189828.88 8 +99391.302 4670.0 C57
2021-01-25 13:14:06 S 08 15 14.914 +07 49 37.38 V C57
2021-01-25 13:14:06 s 1 -189417.21 2 +97742.791 4980.0 C57
2021-01-25 13:24:06 S 08 15 14.621 +07 49 39.68 V C57
2021-01-25 13:24:06 s 1 -189207.32 1 +96916.450 2890.0 C57
2021-01-25 13:34:06 S 08 15 13.937 +07 49 47.86 V C57
2021-01-25 13:34:06 s 1 -188994.70 5 +96088.721 5930.0 C57
2021-01-25 14:14:06 S 08 15 11.570 +07 49 57.83 V C57
2021-01-25 14:14:06 s 1 -188116.61 1 +92763.933 8690.0 C57
2021-01-25 16:44:06 S 08 15 02.880 +07 50 49.67 V C57
2021-01-25 16:44:06 s 1 -184411.44 8 +80099.729 1300.0 C57
2021-01-25 16:54:06 S 08 15 02.326 +07 50 48.77 V C57
2021-01-25 16:54:06 s 1 -184140.18 9 +79244.533 9390.0 C57
2021-01-25 17:04:06 S 08 15 02.050 +07 50 58.13 V C57
2021-01-25 17:04:06 s 1 -183865.77 5 +78387.986 1820.0 C57
2021-01-25 17:14:06 S 08 15 01.445 +07 50 56.47 V C57
2021-01-25 17:14:06 s 1 -183588.18 4 +77530.092 8550.0 C57
2021-01-25 17:24:06 S 08 15 00.974 +07 51 00.47 V C57
2021-01-25 17:24:06 s 1 -183307.39 2 +76670.852 9550.0 C57
2021-01-25 17:34:06 S 08 14 59.988 +07 51 09.86 V C57
2021-01-25 17:34:06 s 1 -183023.37 7 +75810.271 4770.0 C57
2021-01-25 17:44:06 S 08 14 59.698 +07 51 09.36 V C57
2021-01-25 17:44:06 s 1 -182736.11 4 +74948.352 4170.0 C57
2021-01-25 18:04:06 S 08 14 58.853 +07 51 14.54 V C57
2021-01-25 18:04:06 s 1 -182151.75 2 +73220.512 5320.0 C57
2021-01-25 18:24:06 S 08 14 57.900 +07 51 19.26 V C57
2021-01-25 18:24:06 s 1 -181554.11 1 +71487.361 2660.0 C57
2021-01-25 18:54:06 S 08 14 56.042 +07 51 28.76 V C57
2021-01-25 18:54:06 s 1 -180632.32 0 +68877.746 3230.0 C57
2021-01-25 19:14:06 S 08 14 55.039 +07 51 34.56 V C57
2021-01-25 19:14:06 s 1 -180000.61 0 +67131.459 9440.0 C57
2021-01-25 19:34:06 S 08 14 53.698 +07 51 42.01 V C57
2021-01-25 19:34:06 s 1 -179354.91 0 +65379.981 530.0 C57
2021-01-25 20:31:23 C 08 14 58.74 +07 52 09.8 V G17
2021-01-25 20:43:27 C 08 14 58.05 +07 52 13.9 V G17
2021-01-25 20:55:29 C 08 14 57.40 +07 52 17.1 V G17
2021-01-25 21:14:06 S 08 14 48.002 +07 52 18.44 V C57
2021-01-25 21:14:06 s 1 -175908.95 0 +56546.217 5410.0 C57
2021-01-25 21:34:06 S 08 14 47.362 +07 52 21.18 V 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)