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
2021-01-28 19:14:06 s 1 +153626.18 3 +144278.07 470.0 C57
2021-01-28 19:34:06 S 08 11 27.782 +08 16 31.15 V C57
2021-01-28 19:34:06 s 1 +153576.80 1 +145998.98 9980.0 C57
2021-01-28 20:04:06 S 08 11 26.232 +08 16 41.70 V C57
2021-01-28 20:04:06 s 1 +153485.83 3 +148564.21 8260.0 C57
2021-01-28 20:14:06 S 08 11 26.050 +08 16 42.96 V C57
2021-01-28 20:14:06 s 1 +153451.07 8 +149415.00 9560.0 C57
2021-01-28 23:14:06 S 08 11 16.718 +08 17 43.30 V C57
2021-01-28 23:14:06 s 1 +152467.75 6 +164368.61 6160.0 C57
2021-01-28 23:24:06 S 08 11 16.812 +08 17 47.58 V C57
2021-01-28 23:24:06 s 1 +152394.26 4 +165179.61 6330.0 C57
2021-01-28 23:54:06 S 08 11 14.731 +08 18 04.32 V C57
2021-01-28 23:54:06 s 1 +152162.53 3 +167600.36 6130.0 C57
2021-01-29 00:04:06 S 08 11 14.374 +08 18 07.13 V C57
2021-01-29 00:04:06 s 1 +152081.58 5 +168403.20 2580.0 C57
2021-01-29 00:24:06 S 08 11 13.512 +08 18 14.40 V C57
2021-01-29 00:24:06 s 1 +151914.21 7 +170002.80 5440.0 C57
2021-01-29 00:34:06 S 08 11 13.387 +08 18 11.88 V C57
2021-01-29 00:34:06 s 1 +151827.82 5 +170799.56 1880.0 C57
2021-01-29 01:04:06 S 08 11 11.712 +08 18 24.80 V C57
2021-01-29 01:04:06 s 1 +151557.97 1 +173177.77 1580.0 C57
2021-01-29 01:44:06 S 08 11 09.538 +08 18 32.76 V C57
2021-01-29 01:44:06 s 1 +151173.74 7 +176320.69 6260.0 C57
2021-01-29 02:24:06 S 08 11 07.867 +08 18 48.06 V C57
2021-01-29 02:24:06 s 1 +150762.36 0 +179431.86 950.0 C57
2021-01-29 02:34:06 S 08 11 07.250 +08 18 54.54 V C57
2021-01-29 02:34:06 s 1 +150655.36 1 +180204.72 9480.0 C57
2021-01-29 02:54:06 S 08 11 06.163 +08 18 57.53 V C57
2021-01-29 02:54:06 s 1 +150436.46 6 +181744.56 7520.0 C57
2021-01-29 03:44:06 S 08 11 03.588 +08 19 20.03 V C57
2021-01-29 03:44:06 s 1 +149861.19 9 +185560.05 6010.0 C57
2021-01-29 03:54:06 S 08 11 03.367 +08 19 21.47 V C57
2021-01-29 03:54:06 s 1 +149741.43 2 +186317.33 1020.0 C57
2021-01-29 04:14:06 S 08 11 02.256 +08 19 29.78 V C57
2021-01-29 04:14:06 s 1 +149497.27 4 +187826.12 2520.0 C57
2021-01-29 04:24:06 S 08 11 01.574 +08 19 32.95 V C57
2021-01-29 04:24:06 s 1 +149372.90 5 +188577.64 9060.0 C57
2021-01-29 05:14:06 S 08 10 59.143 +08 19 48.00 V C57
2021-01-29 05:14:06 s 1 +148728.58 3 +192306.59 280.0 C57
2021-01-29 05:44:06 S 08 10 57.830 +08 20 00.74 V C57
2021-01-29 05:44:06 s 1 +148324.38 3 +194521.21 2560.0 C57
2021-01-29 05:54:06 S 08 10 57.470 +08 20 04.78 V C57
2021-01-29 05:54:06 s 1 +148186.77 7 +195255.65 4680.0 C57
2021-01-29 06:24:06 S 08 10 55.937 +08 20 12.30 V C57
2021-01-29 06:24:06 s 1 +147765.47 7 +197447.74 5410.0 C57
2021-01-29 06:34:06 S 08 10 55.073 +08 20 12.26 V C57
2021-01-29 06:34:06 s 1 +147622.24 9 +198174.71 7160.0 C57
2021-01-29 06:44:06 S 08 10 54.797 +08 20 18.92 V C57
2021-01-29 06:44:06 s 1 +147477.64 0 +198899.81 6360.0 C57
2021-01-29 06:54:06 S 08 10 54.314 +08 20 23.35 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)