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
2018-09-11 20:44:41 s 1 -17105.694 0 +364294.88 1650.0 C57
2018-09-11 21:14:41 S 07 05 09.516 -62 31 56.96 V C57
2018-09-11 21:14:41 s 1 -18259.558 0 +364672.04 5470.0 C57
2018-09-11 23:14:41 S 07 04 46.882 -62 32 09.31 V C57
2018-09-11 23:14:41 s 1 -22869.471 0 +366086.06 790.0 C57
2018-09-12 00:14:41 S 07 04 37.769 -62 32 26.02 V C57
2018-09-12 00:14:41 s 1 -25170.713 0 +366736.53 9140.0 C57
2018-09-12 02:14:41 S 07 04 13.349 -62 32 50.21 V C57
2018-09-12 02:14:41 s 1 -29764.666 0 +367925.05 4740.0 C57
2018-09-12 04:14:41 S 07 03 52.313 -62 32 48.80 V C57
2018-09-12 04:14:41 s 1 -34345.805 0 +368964.56 5310.0 C57
2018-09-12 06:14:41 S 07 03 29.736 -62 33 05.47 V C57
2018-09-12 06:14:41 s 1 -38912.430 0 +369856.05 2370.0 C57
2018-09-12 06:44:41 S 07 03 24.612 -62 33 06.59 V C57
2018-09-12 06:44:41 s 1 -40051.622 0 +370055.91 6490.0 C57
2018-09-12 07:14:41 S 07 03 18.576 -62 33 10.80 V C57
2018-09-12 07:14:41 s 1 -41189.776 0 +370246.59 1890.0 C57
2018-09-12 13:14:41 S 07 02 11.750 -62 33 49.25 V C57
2018-09-12 13:14:41 s 1 -54757.421 0 +371824.11 9590.0 C57
2018-09-12 13:44:41 S 07 02 06.300 -62 33 58.50 V C57
2018-09-12 13:44:41 s 1 -55879.777 0 +371896.75 7260.0 C57
2018-09-12 16:14:41 S 07 01 37.430 -62 34 09.70 V C57
2018-09-12 16:14:41 s 1 -61470.217 0 +372125.37 3680.0 C57
2018-09-12 17:44:41 S 07 01 21.190 -62 34 21.86 V C57
2018-09-12 17:44:41 s 1 -64806.526 0 +372155.30 3840.0 C57
2018-09-12 23:44:41 S 07 00 13.212 -62 34 50.63 V C57
2018-09-12 23:44:41 s 1 -78002.541 0 +371477.33 2880.0 C57
2018-09-13 00:14:41 S 07 00 06.206 -62 34 51.35 V C57
2018-09-13 00:14:41 s 1 -79090.598 0 +371363.58 1050.0 C57
2018-09-13 00:44:41 S 07 00 02.633 -62 34 51.38 V C57
2018-09-13 00:44:41 s 1 -80176.756 0 +371241.07 6230.0 C57
2018-09-13 03:14:41 S 06 59 31.853 -62 35 05.28 V C57
2018-09-13 03:14:41 s 1 -85578.239 0 +370497.39 2520.0 C57
2018-09-13 03:44:41 S 06 59 25.769 -62 35 07.08 V C57
2018-09-13 03:44:41 s 1 -86652.506 0 +370322.49 2940.0 C57
2018-09-13 04:14:41 S 06 59 18.689 -62 35 08.95 V C57
2018-09-13 04:14:41 s 1 -87724.708 0 +370138.89 1450.0 C57
2018-09-13 06:44:41 S 06 58 50.868 -62 35 19.32 V C57
2018-09-13 06:44:41 s 1 -93053.900 0 +369090.69 630.0 C57
2018-09-13 07:44:41 S 06 58 39.005 -62 35 24.18 V C57
2018-09-13 07:44:41 s 1 -95170.282 0 +368610.79 250.0 C57
2018-09-13 09:14:41 S 06 58 21.151 -62 35 35.27 V C57
2018-09-13 09:14:41 s 1 -98327.867 0 +367826.17 4900.0 C57
2018-09-13 09:44:41 S 06 58 15.864 -62 35 32.68 V C57
2018-09-13 09:44:41 s 1 -99375.769 0 +367547.39 2450.0 C57
2018-09-13 10:14:41 S 06 58 09.533 -62 35 34.15 V C57
2018-09-13 10:14:41 s 1 -100421.31 8 +367260.00 9930.0 C57
2018-09-13 10:44:41 S 06 58 03.725 -62 35 39.59 V C57
2018-09-13 10:44:41 s 1 -101464.49 0 +366964.02 2530.0 C57
2018-09-13 11:14:41 S 06 57 58.174 -62 35 30.34 V C57