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
2021-01-21 23:44:07 S 08 20 09.017 +07 22 36.37 V C57
2021-01-21 23:44:07 s 1 -124287.01 9 +360640.43 7240.0 C57
2021-01-21 23:54:07 S 08 20 08.410 +07 22 43.97 V C57
2021-01-21 23:54:07 s 1 -124580.19 7 +360395.80 5940.0 C57
2021-01-22 00:14:07 S 08 20 07.102 +07 22 52.14 V C57
2021-01-22 00:14:07 s 1 -125165.60 5 +359903.74 1750.0 C57
2021-01-22 00:44:07 S 08 20 05.609 +07 23 03.34 V C57
2021-01-22 00:44:07 s 1 -126041.33 0 +359158.67 1430.0 C57
2021-01-22 01:24:07 S 08 20 03.288 +07 23 09.17 V C57
2021-01-22 01:24:07 s 1 -127204.46 2 +358152.20 70.0 C57
2021-01-22 01:34:07 S 08 20 02.630 +07 23 14.89 V C57
2021-01-22 01:34:07 s 1 -127494.43 3 +357898.25 3350.0 C57
2021-01-22 01:44:07 S 08 20 02.364 +07 23 14.28 V C57
2021-01-22 01:44:07 s 1 -127784.07 7 +357643.37 6090.0 C57
2021-01-22 01:54:07 S 08 20 01.594 +07 23 20.36 V C57
2021-01-22 01:54:07 s 1 -128073.39 4 +357387.55 8270.0 C57
2021-01-22 02:04:06 S 08 20 01.090 +07 23 23.86 V C57
2021-01-22 02:04:06 s 1 -128362.38 1 +357130.80 9900.0 C57
2021-01-22 02:14:07 S 08 20 00.437 +07 23 25.01 V C57
2021-01-22 02:14:07 s 1 -128651.03 8 +356873.11 960.0 C57
2021-01-22 02:24:06 S 08 19 59.954 +07 23 28.00 V C57
2021-01-22 02:24:06 s 1 -128939.36 3 +356614.49 1470.0 C57
2021-01-22 02:44:07 S 08 19 58.723 +07 23 35.63 V C57
2021-01-22 02:44:07 s 1 -129515.01 5 +356094.44 790.0 C57
2021-01-22 04:14:07 S 08 19 53.443 +07 24 04.18 V C57
2021-01-22 04:14:07 s 1 -132088.73 1 +353707.83 9460.0 C57
2021-01-22 04:24:07 S 08 19 52.711 +07 24 05.40 V C57
2021-01-22 04:24:07 s 1 -132372.98 7 +353437.96 3080.0 C57
2021-01-22 04:34:07 S 08 19 52.342 +07 24 05.40 V C57
2021-01-22 04:34:07 s 1 -132656.89 7 +353167.15 6110.0 C57
2021-01-22 04:44:07 S 08 19 51.758 +07 24 13.25 V C57
2021-01-22 04:44:07 s 1 -132940.45 8 +352895.40 8550.0 C57
2021-01-22 04:54:07 S 08 19 51.466 +07 24 17.35 V C57
2021-01-22 04:54:07 s 1 -133223.67 1 +352622.71 410.0 C57
2021-01-22 05:04:06 S 08 19 50.225 +07 24 18.47 V C57
2021-01-22 05:04:06 s 1 -133506.53 2 +352349.07 1670.0 C57
2021-01-22 05:14:07 S 08 19 50.227 +07 24 26.35 V C57
2021-01-22 05:14:07 s 1 -133789.04 3 +352074.50 2330.0 C57
2021-01-22 05:34:07 S 08 19 48.840 +07 24 28.66 V C57
2021-01-22 05:34:07 s 1 -134353.00 4 +351522.52 1860.0 C57
2021-01-22 05:44:07 S 08 19 48.338 +07 24 29.63 V C57
2021-01-22 05:44:07 s 1 -134634.45 2 +351245.12 730.0 C57
2021-01-22 05:54:07 S 08 19 47.849 +07 24 32.29 V C57
2021-01-22 05:54:07 s 1 -134915.54 4 +350966.77 8980.0 C57
2021-01-22 06:14:07 S 08 19 46.505 +07 24 41.29 V C57
2021-01-22 06:14:07 s 1 -135476.65 3 +350407.25 3680.0 C57
2021-01-22 06:24:07 S 08 19 46.070 +07 24 40.72 V C57
2021-01-22 06:24:07 s 1 -135756.66 8 +350126.07 120.0 C57
2021-01-22 06:34:06 S 08 19 45.509 +07 24 49.46 V C57
2021-01-22 06:34:06 s 1 -136036.32 1 +349843.95 5940.0 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)