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
2021-01-18 23:44:07 S 08 24 18.178 +07 00 35.24 V C57
2021-01-18 23:44:07 s 1 +19347.573 0 +380729.62 220.0 C57
2021-01-18 23:54:07 S 08 24 17.268 +07 00 37.91 V C57
2021-01-18 23:54:07 s 1 +19002.051 0 +380884.27 8000.0 C57
2021-01-19 00:14:07 S 08 24 16.442 +07 00 45.32 V C57
2021-01-19 00:14:07 s 1 +18310.823 0 +381190.61 3190.0 C57
2021-01-19 00:34:07 S 08 24 15.636 +07 00 53.86 V C57
2021-01-19 00:34:07 s 1 +17619.358 0 +381493.00 7900.0 C57
2021-01-19 00:47:03 C 08 23 57.64 +07 00 10.9 17.9 q J43
2021-01-19 00:54:07 S 08 24 14.141 +07 00 53.93 V C57
2021-01-19 00:54:07 s 1 +16927.664 0 +381791.46 2140.0 C57
2021-01-19 00:59:28 C 08 23 56.94 +07 00 15.0 17.8 q J43
2021-01-19 01:04:07 S 08 24 13.457 +07 01 03.94 V C57
2021-01-19 01:04:07 s 1 +16581.734 0 +381939.21 9090.0 C57
2021-01-19 01:11:58 C 08 23 56.22 +07 00 18.0 17.9 q J43
2021-01-19 01:24:23 C 08 23 55.53 +07 00 22.1 18.1 q J43
2021-01-19 02:04:07 S 08 24 10.214 +07 01 19.56 V C57
2021-01-19 02:04:07 s 1 +14505.039 0 +382805.13 8480.0 C57
2021-01-19 02:14:07 S 08 24 09.898 +07 01 20.60 V C57
2021-01-19 02:14:07 s 1 +14158.747 0 +382946.02 4670.0 C57
2021-01-19 02:24:07 S 08 24 09.199 +07 01 22.04 V C57
2021-01-19 02:24:07 s 1 +13812.407 0 +383085.93 770.0 C57
2021-01-19 02:34:07 S 08 24 08.340 +07 01 28.13 V C57
2021-01-19 02:34:07 s 1 +13466.020 0 +383224.86 6770.0 C57
2021-01-19 02:44:07 S 08 24 07.680 +07 01 35.29 V C57
2021-01-19 02:44:07 s 1 +13119.587 0 +383362.82 2670.0 C57
2021-01-19 03:24:07 S 08 24 05.520 +07 01 39.04 V C57
2021-01-19 03:24:07 s 1 +11733.411 0 +383904.89 5320.0 C57
2021-01-19 03:44:07 S 08 24 04.843 +07 01 44.65 V C57
2021-01-19 03:44:07 s 1 +11040.071 0 +384170.09 6100.0 C57
2021-01-19 04:04:07 S 08 24 03.192 +07 01 55.31 V C57
2021-01-19 04:04:07 s 1 +10346.572 0 +384431.39 6530.0 C57
2021-01-19 04:14:07 S 08 24 02.798 +07 01 56.53 V C57
2021-01-19 04:24:07 S 08 24 02.189 +07 01 59.84 V C57
2021-01-19 04:44:07 S 08 24 01.135 +07 02 06.79 V C57
2021-01-19 05:04:07 S 08 24 00.079 +07 02 07.80 V C57
2021-01-19 05:14:07 S 08 23 59.506 +07 02 13.63 V C57
2021-01-19 05:24:07 S 08 23 58.752 +07 02 16.01 V C57
2021-01-19 05:34:07 S 08 23 58.226 +07 02 15.32 V C57
2021-01-19 05:44:07 S 08 23 57.461 +07 02 23.50 V C57
2021-01-19 06:04:07 S 08 23 56.177 +07 02 28.82 V C57
2021-01-19 06:14:07 S 08 23 55.992 +07 02 29.04 V C57
2021-01-19 06:34:07 S 08 23 54.648 +07 02 37.43 V C57
2021-01-19 06:44:07 S 08 23 54.240 +07 02 44.27 V C57
2021-01-19 06:54:07 S 08 23 53.462 +07 02 43.94 V C57
2021-01-19 07:14:07 S 08 23 52.200 +07 02 50.42 V C57
2021-01-19 07:24:07 S 08 23 51.737 +07 02 55.54 V C57
2021-01-19 07:34:07 S 08 23 51.511 +07 02 58.42 V C57
2021-01-19 07:44:07 S 08 23 50.573 +07 03 00.14 V C57
2021-01-19 07:54:07 S 08 23 50.338 +07 03 04.28 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)