523815 (2009 HW44)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5921917799 ± 8.83e-08
Semi-major axis (a)2.6852148159 AU ± 8.18e-08
Inclination (i)41.10511559° ± 2.85e-05
Long. of Asc. Node (Ω)37.82675349° ± 9.13e-06
Arg. of Perihelion (ω)296.58720972° ± 2.90e-05
Mean Anomaly (M)229.77083331° ± 2.42e-05
Mean Motion (n)0.2239977851°/day ± 1.02e-08
Perihelion dist (q)1.09505267 AU ± 2.39e-07
Aphelion dist (Q)4.27537696 AU ± 2.70e-07
Orbital Period4.40016085 yr ± 2.01e-07
Physical Parameters
H (abs. magnitude)17.56
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual1.178″
Uncertainty0
Orbit TypeAmor
MOID0.316309 AU
Observations Used648
Oppositions10
Arc Total2009-2022
First Observation Used2009-04-22
Last Observation Used2022-05-21
Observations (1189)
Date Type RA Dec Mag Band Observatory
2018-09-24 06:44:41 S 05 59 03.941 -62 22 18.66 V C57
2018-09-24 06:44:41 s 1 +78644.469 0 +292840.20 6530.0 C57
2018-09-24 12:44:41 S 05 57 15.163 -62 21 03.10 V C57
2018-09-24 12:44:41 s 1 +65669.491 0 +307303.16 8380.0 C57
2018-09-24 13:14:41 S 05 57 06.418 -62 20 57.23 V C57
2018-09-24 13:14:41 s 1 +64570.528 0 +308431.90 9080.0 C57
2018-09-24 13:44:41 S 05 56 58.236 -62 20 49.09 V C57
2018-09-24 13:44:41 s 1 +63469.118 0 +309549.03 8750.0 C57
2018-09-24 16:14:41 S 05 56 11.414 -62 20 17.74 V C57
2018-09-24 16:14:41 s 1 +57927.323 0 +314961.91 4630.0 C57
2018-09-24 16:44:41 S 05 56 02.638 -62 20 10.79 V C57
2018-09-24 16:44:41 s 1 +56812.398 0 +316010.16 5840.0 C57
2018-09-24 17:14:41 S 05 55 53.021 -62 20 00.42 V C57
2018-09-24 17:14:41 s 1 +55695.409 0 +317047.05 8570.0 C57
2018-09-24 17:44:41 S 05 55 44.902 -62 19 56.60 V C57
2018-09-24 17:44:41 s 1 +54576.408 0 +318072.61 3140.0 C57
2018-09-24 18:14:41 S 05 55 34.874 -62 19 52.39 V C57
2018-09-24 18:14:41 s 1 +53455.446 0 +319086.86 9910.0 C57
2018-09-24 19:14:41 S 05 55 15.799 -62 19 35.83 V C57
2018-09-24 19:14:41 s 1 +51207.844 0 +321081.62 1380.0 C57
2018-09-24 19:44:41 S 05 55 07.949 -62 19 29.28 V C57
2018-09-24 19:44:41 s 1 +50081.303 0 +322062.17 6730.0 C57
2018-09-24 20:14:41 S 05 54 58.898 -62 19 21.65 V C57
2018-09-24 20:14:41 s 1 +48953.002 0 +323031.56 5610.0 C57
2018-09-24 20:44:41 S 05 54 49.591 -62 19 15.49 V C57
2018-09-24 20:44:41 s 1 +47822.988 0 +323989.80 8330.0 C57
2018-09-25 00:44:41 S 05 53 34.315 -62 18 05.69 V C57
2018-09-25 00:44:41 s 1 +38726.886 0 +331258.40 6080.0 C57
2018-09-25 01:14:41 S 05 53 24.134 -62 17 50.35 V C57
2018-09-25 01:14:41 s 1 +37583.559 0 +332117.75 7350.0 C57
2018-09-25 02:14:40 S 05 53 06.773 -62 17 51.54 V C57
2018-09-25 02:14:40 s 1 +35293.183 0 +333803.94 850.0 C57
2018-09-25 02:44:41 S 05 52 57.797 -62 17 42.22 V C57
2018-09-25 02:44:41 s 1 +34146.219 0 +334630.84 3650.0 C57
2018-09-25 03:14:41 S 05 52 48.850 -62 17 32.75 V C57
2018-09-25 03:14:41 s 1 +32998.128 0 +335446.98 4180.0 C57
2018-09-25 06:14:41 S 05 51 51.466 -62 16 39.43 V C57
2018-09-25 06:14:41 s 1 +26088.217 0 +340119.38 5340.0 C57
2018-09-25 06:44:40 S 05 51 43.030 -62 16 30.04 V C57
2018-09-25 06:44:40 s 1 +24933.382 0 +340860.95 7700.0 C57
2018-09-25 07:44:41 S 05 51 24.377 -62 16 14.52 V C57
2018-09-25 07:44:41 s 1 +22621.337 0 +342312.48 2370.0 C57
2018-09-25 08:44:41 S 05 51 04.392 -62 15 53.39 V C57
2018-09-25 08:44:41 s 1 +20306.383 0 +343722.01 8670.0 C57
2018-09-25 10:44:41 S 05 50 27.650 -62 15 23.11 V C57
2018-09-25 10:44:41 s 1 +15680.801 0 +346426.86 3560.0 C57
2018-09-25 12:14:41 S 05 49 58.351 -62 14 46.93 V C57
2018-09-25 12:14:41 s 1 +12197.488 0 +348338.85 3000.0 C57
2018-09-25 13:14:41 S 05 49 39.979 -62 14 27.46 V C57
2018-09-25 13:44:41 S 05 49 30.425 -62 14 20.18 V C57