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
2021-01-23 12:04:07 S 08 18 02.640 +07 34 02.10 V C57
2021-01-23 12:04:07 s 1 -178483.87 0 +284515.15 1140.0 C57
2021-01-23 12:24:06 S 08 18 01.884 +07 34 08.36 V C57
2021-01-23 12:24:06 s 1 -178865.06 5 +283594.91 7820.0 C57
2021-01-23 12:34:06 S 08 18 01.133 +07 34 12.22 V C57
2021-01-23 12:34:06 s 1 -179054.65 4 +283133.19 9420.0 C57
2021-01-23 12:44:06 S 08 18 00.665 +07 34 14.02 V C57
2021-01-23 12:44:06 s 1 -179243.56 8 +282670.40 9860.0 C57
2021-01-23 13:14:07 S 08 17 59.088 +07 34 26.58 V C57
2021-01-23 13:14:07 s 1 -179806.23 5 +281275.62 4130.0 C57
2021-01-23 13:44:06 S 08 17 57.187 +07 34 33.96 V C57
2021-01-23 13:44:06 s 1 -180362.73 6 +279871.22 7770.0 C57
2021-01-23 14:14:06 S 08 17 55.738 +07 34 41.84 V C57
2021-01-23 14:14:06 s 1 -180913.00 2 +278457.15 630.0 C57
2021-01-23 14:44:07 S 08 17 53.899 +07 34 52.64 V C57
2021-01-23 14:44:07 s 1 -181456.96 6 +277033.40 2620.0 C57
2021-01-23 14:54:06 S 08 17 53.302 +07 34 55.70 V C57
2021-01-23 14:54:06 s 1 -181636.87 4 +276556.65 7500.0 C57
2021-01-23 15:04:06 S 08 17 52.682 +07 35 00.67 V C57
2021-01-23 15:04:06 s 1 -181816.07 1 +276078.83 1160.0 C57
2021-01-23 15:14:06 S 08 17 52.282 +07 34 59.99 V C57
2021-01-23 15:14:06 s 1 -181994.55 6 +275599.93 3590.0 C57
2021-01-23 15:44:06 S 08 17 50.021 +07 35 11.40 V C57
2021-01-23 15:44:06 s 1 -182525.70 2 +274156.72 3430.0 C57
2021-01-23 15:54:06 S 08 17 49.771 +07 35 16.94 V C57
2021-01-23 15:54:06 s 1 -182701.30 6 +273673.48 870.0 C57
2021-01-23 16:04:06 S 08 17 49.229 +07 35 18.38 V C57
2021-01-23 16:04:06 s 1 -182876.18 3 +273189.15 7070.0 C57
2021-01-23 16:14:07 S 08 17 48.658 +07 35 22.60 V C57
2021-01-23 16:14:07 s 1 -183050.33 1 +272703.74 2000.0 C57
2021-01-23 16:24:06 S 08 17 47.813 +07 35 23.28 V C57
2021-01-23 16:24:06 s 1 -183223.74 7 +272217.24 5660.0 C57
2021-01-23 16:34:06 S 08 17 47.431 +07 35 29.33 V C57
2021-01-23 16:34:06 s 1 -183396.42 8 +271729.65 8060.0 C57
2021-01-23 16:44:06 S 08 17 46.937 +07 35 35.05 V C57
2021-01-23 16:44:06 s 1 -183568.37 2 +271240.97 9180.0 C57
2021-01-23 17:04:06 S 08 17 45.670 +07 35 34.91 V C57
2021-01-23 17:04:06 s 1 -183910.03 5 +270260.33 7570.0 C57
2021-01-23 17:14:06 S 08 17 45.132 +07 35 36.74 V C57
2021-01-23 17:14:06 s 1 -184079.74 9 +269768.37 4830.0 C57
2021-01-23 17:24:06 S 08 17 44.693 +07 35 46.43 V C57
2021-01-23 17:24:06 s 1 -184248.71 4 +269275.32 800.0 C57
2021-01-23 17:34:06 S 08 17 44.009 +07 35 46.82 V C57
2021-01-23 17:34:06 s 1 -184416.92 8 +268781.17 5460.0 C57
2021-01-23 18:04:06 S 08 17 42.418 +07 35 56.65 V C57
2021-01-23 18:04:06 s 1 -184917.03 2 +267292.14 1610.0 C57
2021-01-23 18:24:06 S 08 17 41.275 +07 36 03.46 V C57
2021-01-23 18:24:06 s 1 -185246.62 4 +266293.95 9110.0 C57
2021-01-23 18:34:06 S 08 17 40.536 +07 36 09.65 V C57
2021-01-23 18:34:06 s 1 -185410.26 9 +265793.20 5870.0 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)