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
2018-09-13 11:14:41 s 1 -102505.26 1 +366659.43 4750.0 C57
2018-09-13 12:44:41 S 06 57 40.346 -62 35 44.02 V C57
2018-09-13 12:44:41 s 1 -105612.92 2 +365694.17 8520.0 C57
2018-09-13 19:44:41 S 06 56 17.446 -62 36 07.74 V C57
2018-09-13 19:44:41 s 1 -119806.13 3 +360171.52 6660.0 C57
2018-09-13 23:14:41 S 06 55 36.379 -62 36 16.38 V C57
2018-09-13 23:14:41 s 1 -126698.48 1 +356785.34 8260.0 C57
2018-09-13 23:44:41 S 06 55 30.017 -62 36 17.35 V C57
2018-09-13 23:44:41 s 1 -127671.21 5 +356267.71 4820.0 C57
2018-09-14 00:14:41 S 06 55 24.749 -62 36 19.69 V C57
2018-09-14 00:14:41 s 1 -128640.90 1 +355741.62 7130.0 C57
2018-09-14 00:44:41 S 06 55 18.667 -62 36 16.99 V C57
2018-09-14 00:44:41 s 1 -129607.51 1 +355207.07 5030.0 C57
2018-09-14 02:14:41 S 06 54 58.877 -62 36 24.88 V C57
2018-09-14 02:14:41 s 1 -132488.63 2 +353552.70 730.0 C57
2018-09-14 02:44:41 S 06 54 54.715 -62 36 25.20 V C57
2018-09-14 02:44:41 s 1 -133442.68 2 +352984.35 9430.0 C57
2018-09-14 03:44:41 S 06 54 42.242 -62 36 22.43 V C57
2018-09-14 03:44:41 s 1 -135341.13 6 +351822.34 1060.0 C57
2018-09-14 07:44:41 S 06 53 53.837 -62 36 27.79 V C57
2018-09-14 07:44:41 s 1 -142802.42 6 +346837.07 3700.0 C57
2018-09-14 09:44:41 S 06 53 30.137 -62 36 33.30 V C57
2018-09-14 09:44:41 s 1 -146450.49 6 +344142.38 1370.0 C57
2018-09-14 10:14:41 S 06 53 25.075 -62 36 36.68 V C57
2018-09-14 10:14:41 s 1 -147353.61 2 +343447.68 4970.0 C57
2018-09-14 12:44:41 S 06 52 54.470 -62 36 40.18 V C57
2018-09-14 12:44:41 s 1 -151814.35 1 +339848.12 4560.0 C57
2018-09-14 13:44:41 S 06 52 41.254 -62 36 31.97 V C57
2018-09-14 13:44:41 s 1 -153572.51 8 +338349.49 5970.0 C57
2018-09-14 14:14:41 S 06 52 34.999 -62 36 37.33 V C57
2018-09-14 14:14:41 s 1 -154445.88 4 +337587.57 3460.0 C57
2018-09-15 02:14:41 S 06 50 05.755 -62 36 33.23 V C57
2018-09-15 02:14:41 s 1 -174180.45 4 +316783.05 5460.0 C57
2018-09-15 02:44:41 S 06 50 00.127 -62 36 30.13 V C57
2018-09-15 02:44:41 s 1 -174948.14 8 +315811.23 2060.0 C57
2018-09-15 03:14:41 S 06 49 54.415 -62 36 32.98 V C57
2018-09-15 03:14:41 s 1 -175711.18 5 +314831.01 4920.0 C57
2018-09-15 03:44:41 S 06 49 48.024 -62 36 35.60 V C57
2018-09-15 03:44:41 s 1 -176469.52 8 +313842.38 3850.0 C57
2018-09-15 06:14:41 S 06 49 16.877 -62 36 32.72 V C57
2018-09-15 06:14:41 s 1 -180189.57 6 +308773.11 2230.0 C57
2018-09-15 07:14:41 S 06 49 04.418 -62 36 26.53 V C57
2018-09-15 07:14:41 s 1 -181643.46 8 +306686.51 8750.0 C57
2018-09-15 10:14:41 S 06 48 26.887 -62 36 21.56 V C57
2018-09-15 10:14:41 s 1 -185884.22 7 +300224.62 6560.0 C57
2018-09-15 10:44:41 S 06 48 21.142 -62 36 19.94 V C57
2018-09-15 10:44:41 s 1 -186572.98 0 +299118.14 8200.0 C57
2018-09-15 13:44:41 S 06 47 42.982 -62 36 14.65 V C57
2018-09-15 13:44:41 s 1 -190593.61 5 +292302.13 9390.0 C57
2018-09-15 14:14:41 S 06 47 36.982 -62 36 12.49 V C57