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
2021-02-04 23:34:06 S 08 02 50.141 +09 14 48.12 V C57
2021-02-04 23:34:06 s 1 -150198.12 7 +327008.27 9240.0 C57
2021-02-04 23:51:31 C 08 02 46.95 +09 14 28.5 o K95
2021-02-05 01:04:06 S 08 02 46.025 +09 15 21.20 V C57
2021-02-05 01:04:06 s 1 -152475.30 9 +323868.39 1370.0 C57
2021-02-05 01:34:06 S 08 02 44.909 +09 15 24.48 V C57
2021-02-05 01:34:06 s 1 -153225.92 6 +322803.88 4630.0 C57
2021-02-05 02:34:06 S 08 02 41.698 +09 15 48.31 V C57
2021-02-05 02:34:06 s 1 -154714.23 5 +320647.90 9510.0 C57
2021-02-05 02:44:06 S 08 02 41.165 +09 15 52.38 V C57
2021-02-05 02:44:06 s 1 -154960.59 2 +320285.07 820.0 C57
2021-02-05 02:54:06 S 08 02 40.946 +09 15 55.48 V C57
2021-02-05 02:54:06 s 1 -155206.46 0 +319921.23 1300.0 C57
2021-02-05 03:04:06 S 08 02 40.373 +09 16 00.12 V C57
2021-02-05 03:04:06 s 1 -155451.83 9 +319556.40 960.0 C57
2021-02-05 03:44:06 S 08 02 38.443 +09 16 10.78 V C57
2021-02-05 03:44:06 s 1 -156428.41 7 +318087.02 1320.0 C57
2021-02-05 04:54:06 S 08 02 35.165 +09 16 34.86 V C57
2021-02-05 04:54:06 s 1 -158118.16 9 +315476.86 2010.0 C57
2021-02-05 05:04:06 S 08 02 34.394 +09 16 40.44 V C57
2021-02-05 05:04:06 s 1 -158357.53 4 +315099.94 1550.0 C57
2021-02-05 05:35:10 C 08 02 31.55 +09 16 18.0 V 703
2021-02-05 05:42:48 C 08 02 31.18 +09 16 20.6 V 703
2021-02-05 05:50:24 C 08 02 30.81 +09 16 23.2 V 703
2021-02-05 05:58:01 C 08 02 30.49 +09 16 25.9 V 703
2021-02-05 08:24:06 S 08 02 24.574 +09 17 40.24 V C57
2021-02-05 08:24:06 s 1 -163034.87 1 +307348.19 6330.0 C57
2021-02-05 09:34:06 S 08 02 21.168 +09 18 08.24 V C57
2021-02-05 09:34:06 s 1 -164620.84 4 +304538.38 1290.0 C57
2021-02-05 09:54:06 S 08 02 20.297 +09 18 09.90 V C57
2021-02-05 09:54:06 s 1 -165068.94 9 +303726.30 8430.0 C57
2021-02-05 10:04:06 S 08 02 20.134 +09 18 16.31 V C57
2021-02-05 10:04:06 s 1 -165292.15 3 +303318.72 550.0 C57
2021-02-05 10:24:06 S 08 02 19.078 +09 18 25.63 V C57
2021-02-05 10:24:06 s 1 -165736.85 6 +302500.43 1890.0 C57
2021-02-05 10:54:06 S 08 02 17.803 +09 18 32.58 V C57
2021-02-05 10:54:06 s 1 -166399.61 4 +301265.24 6560.0 C57
2021-02-05 11:04:06 S 08 02 16.966 +09 18 34.96 V C57
2021-02-05 11:04:06 s 1 -166619.38 0 +300851.43 2820.0 C57
2021-02-05 11:24:06 S 08 02 16.404 +09 18 42.66 V C57
2021-02-05 11:24:06 s 1 -167057.17 0 +300020.69 2350.0 C57
2021-02-05 13:54:06 S 08 02 09.492 +09 19 30.11 V C57
2021-02-05 13:54:06 s 1 -170264.96 8 +293656.97 4310.0 C57
2021-02-05 14:04:06 S 08 02 08.654 +09 19 33.78 V C57
2021-02-05 14:04:06 s 1 -170473.97 5 +293224.32 2130.0 C57
2021-02-05 14:24:06 S 08 02 07.862 +09 19 46.24 V C57
2021-02-05 14:24:06 s 1 -170890.13 2 +292355.86 4560.0 C57
2021-02-05 14:34:06 S 08 02 07.531 +09 19 51.82 V C57
2021-02-05 14:34:06 s 1 -171097.27 8 +291920.04 9180.0 C57
2021-02-06 01:24:06 S 08 01 36.362 +09 23 21.73 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)