IAA RAS IAA Minor Planet Database

326291 (1998 HM3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0621867379 ± 4.31e-08
Semi-major axis (a)1.2465886492 AU ± 8.71e-10
Inclination (i)39.33002176° ± 9.32e-06
Long. of Asc. Node (Ω)210.80106474° ± 2.12e-06
Arg. of Perihelion (ω)137.08258612° ± 2.69e-05
Mean Anomaly (M)166.39727485° ± 2.55e-05
Mean Motion (n)0.7081536925°/day ± 7.42e-10
Perihelion dist (q)1.16906737 AU ± 5.37e-08
Aphelion dist (Q)1.32410993 AU ± 5.37e-08
Orbital Period1.39182538 yr ± 1.46e-09
Physical Parameters
H (abs. magnitude)19.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.420″
Uncertainty0
Orbit TypeAmor
MOID0.190826 AU
Observations Used525
Oppositions7
Arc Total1998-2023
First Observation Used1998-04-21
Last Observation Used2023-06-01
Observations (666)
Date Type RA Dec Mag Band Observatory
2019-10-10 18:44:26 S 00 13 14.585 +56 23 21.16 – V C57
2019-10-10 18:44:26 s 1 +107908.68 1 +286829.51 1760.0 – C57
2019-10-10 20:44:26 S 00 13 14.921 +56 13 41.59 – V C57
2019-10-10 20:44:26 s 1 +104445.46 0 +292446.75 4810.0 – C57
2019-10-10 22:14:26 S 00 13 13.668 +56 06 14.76 – V C57
2019-10-10 22:14:26 s 1 +101801.57 2 +296529.64 3480.0 – C57
2019-10-10 22:44:26 S 00 13 13.634 +56 03 57.85 – V C57
2019-10-10 22:44:26 s 1 +100911.83 4 +297866.13 4560.0 – C57
2019-10-11 00:44:26 S 00 13 13.757 +55 54 20.66 – V C57
2019-10-11 00:44:26 s 1 +97312.616 0 +303091.15 5950.0 – C57
2019-10-11 03:44:26 S 00 13 13.476 +55 39 04.46 – V C57
2019-10-11 03:44:26 s 1 +91800.577 0 +310571.50 7740.0 – C57
2019-10-11 05:14:26 S 00 13 13.250 +55 31 43.36 – V C57
2019-10-11 05:14:26 s 1 +88997.427 0 +314153.81 4620.0 – C57
2019-10-11 06:14:26 S 00 13 14.827 +55 26 19.68 – V C57
2019-10-11 06:14:26 s 1 +87112.333 0 +316484.40 7900.0 – C57
2019-10-11 07:44:26 S 00 13 16.224 +55 18 56.12 – V C57
2019-10-11 07:44:26 s 1 +84261.370 0 +319894.75 4500.0 – C57
2019-10-11 08:14:26 S 00 13 14.714 +55 16 56.68 – V C57
2019-10-11 08:14:26 s 1 +83305.056 0 +321008.90 5850.0 – C57
2019-10-11 08:44:26 S 00 13 14.455 +55 14 30.16 – V C57
2019-10-11 08:44:26 s 1 +82345.837 0 +322111.81 5400.0 – C57
2019-10-11 10:14:26 S 00 13 14.609 +55 06 57.64 – V C57
2019-10-11 10:14:26 s 1 +79451.285 0 +325353.45 4880.0 – C57
2019-10-11 10:44:26 S 00 13 14.148 +55 04 23.66 – V C57
2019-10-11 10:44:26 s 1 +78480.979 0 +326411.78 8860.0 – C57
2019-10-11 11:14:26 S 00 13 15.386 +55 01 37.92 – V C57
2019-10-11 11:14:26 s 1 +77508.029 0 +327459.07 1860.0 – C57
2019-10-11 13:14:26 S 00 13 16.522 +54 50 51.29 – V C57
2019-10-11 13:14:26 s 1 +73590.804 0 +331538.54 7080.0 – C57
2019-10-11 15:14:26 S 00 13 16.896 +54 40 58.62 – V C57
2019-10-11 15:14:26 s 1 +69635.211 0 +335444.34 8670.0 – C57
2019-10-11 16:44:26 S 00 13 17.136 +54 33 23.69 – V C57
2019-10-11 16:44:26 s 1 +66645.125 0 +338261.11 3070.0 – C57
2019-10-11 21:44:26 S 00 13 20.376 +54 07 58.22 – V C57
2019-10-11 21:44:26 s 1 +56549.405 0 +346965.79 7370.0 – C57
2019-10-12 03:44:26 S 00 13 23.906 +53 36 37.58 – V C57
2019-10-12 03:44:26 s 1 +44217.128 0 +356054.95 6960.0 – C57
2019-10-12 04:14:26 S 00 13 24.586 +53 33 47.52 – V C57
2019-10-12 04:14:26 s 1 +43180.594 0 +356746.98 8070.0 – C57
2019-10-12 04:44:26 S 00 13 24.461 +53 31 24.02 – V C57
2019-10-12 04:44:26 s 1 +42142.862 0 +357429.08 2690.0 – C57
2019-10-12 05:14:26 S 00 13 25.385 +53 28 42.42 – V C57
2019-10-12 05:14:26 s 1 +41103.968 0 +358101.26 920.0 – C57
2019-10-12 06:44:26 S 00 13 27.912 +53 20 25.37 – V C57
2019-10-12 06:44:26 s 1 +37980.641 0 +360058.56 8290.0 – C57
2019-10-12 07:44:26 S 00 13 28.370 +53 14 45.82 – V C57
2019-10-12 07:44:26 s 1 +35893.214 0 +361314.29 9790.0 – C57
2019-10-12 11:14:26 S 00 13 31.219 +52 56 07.84 – V C57
2019-10-12 11:14:26 s 1 +28558.439 0 +365402.60 7910.0 – C57