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
2021-02-07 01:24:06 s 1 -196170.51 1 +175928.95 360.0 C57
2021-02-07 02:14:06 S 08 00 26.815 +09 31 34.03 V C57
2021-02-07 02:14:06 s 1 -196171.18 0 +172496.39 6480.0 C57
2021-02-07 02:54:06 S 08 00 24.826 +09 31 45.05 V C57
2021-02-07 02:54:06 s 1 -196144.18 7 +169726.27 7020.0 C57
2021-02-07 03:04:06 S 08 00 24.509 +09 31 47.93 V C57
2021-02-07 03:04:06 s 1 -196133.55 0 +169030.38 2540.0 C57
2021-02-07 04:24:06 S 08 00 20.683 +09 32 13.42 V C57
2021-02-07 04:24:06 s 1 -195991.15 7 +163414.70 1660.0 C57
2021-02-07 04:29:02 C 08 00 26.76 +09 32 11.8 q 858
2021-02-07 04:50:18 C 08 00 25.79 +09 32 19.1 q 858
2021-02-07 05:10:46 C 08 00 24.89 +09 32 26.0 q 858
2021-02-07 06:15:45 C 08 00 22.07 +09 32 46.8 V U55
2021-02-07 06:22:08 C 08 00 21.79 +09 32 49.0 V U55
2021-02-07 06:24:06 S 08 00 15.708 +09 32 55.18 V C57
2021-02-07 06:24:06 s 1 -195579.33 9 +154827.97 6410.0 C57
2021-02-07 06:28:29 C 08 00 21.45 +09 32 51.4 V U55
2021-02-07 11:04:59 C 08 00 09.38 +09 34 27.2 V T08
2021-02-07 11:09:37 C 08 00 09.14 +09 34 29.0 V T08
2021-02-07 11:35:10 C 08 00 08.02 +09 34 37.6 V T08
2021-02-07 11:45:25 C 08 00 07.56 +09 34 40.8 V T08
2021-02-07 15:34:06 S 07 59 50.882 +09 35 55.72 V C57
2021-02-07 15:34:06 s 1 -190180.81 1 +112903.85 3310.0 C57
2021-02-07 16:04:06 S 07 59 49.416 +09 36 02.16 V C57
2021-02-07 16:04:06 s 1 -189696.19 3 +110493.67 2460.0 C57
2021-02-07 19:34:06 S 07 59 40.130 +09 37 17.40 V C57
2021-02-07 19:34:06 s 1 -185655.29 6 +93262.076 4590.0 C57
2021-02-07 19:44:06 S 07 59 39.658 +09 37 16.57 V C57
2021-02-07 19:44:06 s 1 -185432.93 7 +92425.836 7220.0 C57
2021-02-07 20:34:06 S 07 59 37.445 +09 37 35.76 V C57
2021-02-07 20:34:06 s 1 -184277.74 5 +88223.365 8940.0 C57
2021-02-07 21:14:06 S 07 59 35.724 +09 37 46.06 V C57
2021-02-07 21:14:06 s 1 -183300.27 5 +84835.960 4220.0 C57
2021-02-07 21:44:06 S 07 59 34.476 +09 37 53.08 V C57
2021-02-07 21:44:06 s 1 -182535.17 5 +82280.649 8040.0 C57
2021-02-07 22:54:06 S 07 59 31.500 +09 38 15.29 V C57
2021-02-07 22:54:06 s 1 -180639.61 6 +76269.452 9410.0 C57
2021-02-07 23:24:06 S 07 59 30.022 +09 38 23.60 V C57
2021-02-07 23:24:06 s 1 -179778.42 6 +73672.489 2370.0 C57
2021-02-08 05:44:06 S 07 59 13.738 +09 40 36.70 V C57
2021-02-08 05:44:06 s 1 -165997.58 9 +39760.470 9280.0 C57
2021-02-08 05:54:06 S 07 59 12.996 +09 40 37.27 V C57
2021-02-08 05:54:06 s 1 -165554.54 6 +38844.576 4870.0 C57
2021-02-08 06:04:06 S 07 59 12.710 +09 40 38.64 V C57
2021-02-08 06:04:06 s 1 -165106.91 2 +37927.612 1710.0 C57
2021-02-08 09:43:01 C 07 59 11.83 +09 42 05.2 V T08
2021-02-08 10:22:59 C 07 59 10.10 +09 42 18.3 V T08
2021-02-08 10:46:31 C 07 59 09.08 +09 42 26.3 V T08
2021-02-08 11:21:48 C 07 59 07.56 +09 42 38.2 V T08
2021-02-10 01:12:44 C 07 57 35.20 +09 55 16.7 V W46
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)