IAA RAS IAA Minor Planet Database

396593 (2001 HC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4993923228 ± 2.00e+00
Semi-major axis (a)0.8746252488 AU ± 3.00e+00
Inclination (i)23.73522068° ± 4.00e+00
Long. of Asc. Node (Ω)32.58222639° ± 5.00e+00
Arg. of Perihelion (ω)28.18976011° ± 6.00e+00
Mean Anomaly (M)132.95534077° ± 2.55e-05
Mean Motion (n)1.2049783958°/day ± 6.20e+00
Perihelion dist (q)0.43784411 AU ± 2.31e+00
Aphelion dist (Q)1.31140638 AU ± 4.83e+00
Orbital Period0.81796179 yr ± 4.21e+00
NGA Modelr2
A21.94041975e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.06
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.402″
Uncertainty0
Orbit TypeAten
MOID0.104557 AU
Observations Used342
Oppositions5
Arc Total2001-2024
First Observation Used2001-04-16
Last Observation Used2024-05-15
Observations (413)
Date Type RA Dec Mag Band Observatory
2019-04-27 00:44:32 s 1 +83882.860 0 +330198.13 660.0 – C57
2019-04-27 01:14:33 S 14 06 42.211 -23 07 31.08 – V C57
2019-04-27 01:14:33 s 1 +82888.320 0 +331264.95 630.0 – C57
2019-04-27 03:14:32 S 14 05 58.934 -23 09 34.78 – V C57
2019-04-27 03:14:32 s 1 +78885.196 0 +335430.68 4680.0 – C57
2019-04-27 06:14:32 S 14 04 53.815 -23 12 40.57 – V C57
2019-04-27 06:14:32 s 1 +72810.533 0 +341377.90 1570.0 – C57
2019-04-27 06:44:32 S 14 04 43.222 -23 13 09.91 – V C57
2019-04-27 06:44:32 s 1 +71790.479 0 +342334.31 6350.0 – C57
2019-04-27 08:14:32 S 14 04 10.428 -23 14 47.11 – V C57
2019-04-27 08:14:32 s 1 +68718.102 0 +345144.43 2280.0 – C57
2019-04-27 08:44:33 S 14 03 59.695 -23 15 17.42 – V C57
2019-04-27 08:44:33 s 1 +67690.039 0 +346061.52 2080.0 – C57
2019-04-27 09:14:32 S 14 03 48.619 -23 15 44.57 – V C57
2019-04-27 09:14:32 s 1 +66660.072 0 +346968.85 6120.0 – C57
2019-04-27 10:14:33 S 14 03 27.151 -23 16 44.40 – V C57
2019-04-27 10:14:33 s 1 +64594.585 0 +348754.33 7600.0 – C57
2019-04-27 10:44:32 S 14 03 16.478 -23 17 15.72 – V C57
2019-04-27 10:44:32 s 1 +63559.142 0 +349632.52 5410.0 – C57
2019-04-27 13:44:32 S 14 02 12.144 -23 20 14.53 – V C57
2019-04-27 13:44:32 s 1 +57311.036 0 +354699.65 2450.0 – C57
2019-04-27 17:44:32 S 14 00 46.296 -23 24 08.03 – V C57
2019-04-27 17:44:32 s 1 +48895.733 0 +360923.65 3010.0 – C57
2019-04-27 18:44:32 S 14 00 25.142 -23 25 06.71 – V C57
2019-04-27 18:44:32 s 1 +46778.653 0 +362385.81 250.0 – C57
2019-04-27 19:14:32 S 14 00 14.945 -23 25 32.56 – V C57
2019-04-27 19:14:32 s 1 +45718.306 0 +363102.94 5160.0 – C57
2019-04-27 20:44:32 S 13 59 42.420 -23 27 00.54 – V C57
2019-04-27 20:44:32 s 1 +42530.424 0 +365198.73 6900.0 – C57
2019-04-27 23:14:32 S 13 58 49.320 -23 29 23.82 – V C57
2019-04-27 23:14:32 s 1 +37196.359 0 +368507.65 5310.0 – C57
2019-04-27 23:44:32 S 13 58 38.321 -23 29 51.11 – V C57
2019-04-27 23:44:32 s 1 +36126.682 0 +369142.00 5120.0 – C57
2019-04-28 00:14:32 S 13 58 28.586 -23 30 16.70 – V C57
2019-04-28 00:14:32 s 1 +35056.120 0 +369767.24 3960.0 – C57
2019-04-28 06:44:32 S 13 56 10.166 -23 36 17.35 – V C57
2019-04-28 06:44:32 s 1 +21071.465 0 +377075.26 2900.0 – C57
2019-04-28 07:44:32 S 13 55 49.615 -23 37 10.24 – V C57
2019-04-28 07:44:32 s 1 +18911.117 0 +378065.73 2770.0 – C57
2019-04-28 11:14:32 S 13 54 36.809 -23 40 17.08 – V C57
2019-04-28 11:14:32 s 1 +11337.504 0 +381254.92 4290.0 – C57
2019-04-28 13:44:32 S 13 53 43.334 -23 42 29.09 – V C57
2019-04-28 16:14:32 S 13 52 51.871 -23 44 37.50 – V C57
2019-04-28 18:44:32 S 13 51 59.242 -23 46 45.19 – V C57
2019-04-28 19:44:32 S 13 51 38.546 -23 47 36.06 – V C57
2019-04-28 20:14:32 S 13 51 27.660 -23 48 01.40 – V C57
2019-04-28 20:44:32 S 13 51 17.964 -23 48 23.90 – V C57
2019-04-28 21:14:32 S 13 51 07.634 -23 48 49.54 – V C57
2019-04-28 21:14:32 s 1 -10343.438 0 +388022.23 7270.0 – C57
2019-04-28 22:14:32 S 13 50 46.944 -23 49 39.68 – V C57