IAA RAS IAA Minor Planet Database

98943 Torifune (2001 CC21)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2192423891 ± 2.00e+00
Semi-major axis (a)1.0321452117 AU ± 3.00e+00
Inclination (i)4.80855553° ± 4.00e+00
Long. of Asc. Node (Ω)75.35748367° ± 5.00e+00
Arg. of Perihelion (ω)179.40269383° ± 6.00e+00
Mean Anomaly (M)140.74037857° ± 2.30e-06
Mean Motion (n)0.9399420370°/day ± 4.10e+00
Perihelion dist (q)0.80585523 AU ± 3.12e+00
Aphelion dist (Q)1.25843519 AU ± 4.20e+00
Orbital Period1.04860326 yr ± 4.57e+00
NGA Modelr2
A28.36304837e-07 AU/d²
Physical Parameters
H (abs. magnitude)18.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.266″
Uncertainty0
Orbit TypeApollo
MOID0.083063 AU
Observations Used2339
Oppositions2
Arc Total1982-2026
First Observation Used1982-11-10
Last Observation Used2026-01-10
Observations (2591)
Date Type RA Dec Mag Band Observatory
2023-12-05 03:08:25 s 1 -30576.273 0 +209787.73 0.862 – C57
2023-12-05 03:28:25 S 06 56 58.798 +24 11 34.04 – V C57
2023-12-05 03:28:25 s 1 -31480.721 0 +208601.39 0.231 – C57
2023-12-05 03:48:25 S 06 56 56.611 +24 11 43.58 – V C57
2023-12-05 03:48:25 s 1 -32383.766 0 +207405.76 0.054 – C57
2023-12-05 04:28:25 S 06 56 52.406 +24 12 02.27 – V C57
2023-12-05 04:28:25 s 1 -34185.396 0 +204986.31 0.706 – C57
2023-12-05 05:08:25 S 06 56 48.240 +24 12 23.83 – V C57
2023-12-05 05:08:25 s 1 -35980.743 0 +202529.25 0.359 – C57
2023-12-05 05:28:25 S 06 56 46.039 +24 12 36.00 – V C57
2023-12-05 05:28:25 s 1 -36875.924 0 +201286.56 0.408 – C57
2023-12-05 05:48:25 S 06 56 43.975 +24 12 46.48 – V C57
2023-12-05 05:48:25 s 1 -37769.365 0 +200034.39 0.513 – C57
2023-12-05 06:08:25 S 06 56 42.036 +24 12 53.89 – V C57
2023-12-05 06:08:25 s 1 -38660.980 0 +198772.55 0.53 – C57
2023-12-05 09:40:05 C 06 56 20.108 +24 16 18.95 – V 703
2023-12-05 09:43:40 C 06 56 19.770 +24 16 21.54 – V 703
2023-12-05 09:47:17 C 06 56 19.435 +24 16 23.77 – V 703
2023-12-05 09:50:44 C 06 56 19.144 +24 16 26.40 – V 703
2023-12-05 10:08:25 S 06 56 16.560 +24 14 56.08 – V C57
2023-12-05 10:08:25 s 1 -49196.681 0 +182875.06 0.421 – C57
2023-12-05 10:20:46 C 06 56 16.632 +24 16 44.84 – V U68
2023-12-05 10:25:35 C 06 56 16.169 +24 16 48.14 – V U68
2023-12-05 10:28:25 S 06 56 14.525 +24 15 08.68 – V C57
2023-12-05 10:28:25 s 1 -50058.950 0 +181486.29 0.349 – C57
2023-12-05 10:41:09 C 06 56 14.718 +24 16 58.85 – V U68
2023-12-05 10:45:58 C 06 56 14.260 +24 17 02.08 – V U68
2023-12-05 10:57:22 C 06 56 14.386 +24 17 17.70 – V T05
2023-12-05 11:00:38 C 06 56 14.088 +24 17 20.04 – V T05
2023-12-05 11:05:50 C 06 56 13.594 +24 17 23.75 – V T05
2023-12-05 11:13:19 C 06 56 12.893 +24 17 28.97 – V T05
2023-12-05 13:48:25 S 06 55 53.544 +24 16 50.70 – V C57
2023-12-05 13:48:25 s 1 -58516.806 0 +167044.11 0.871 – C57
2023-12-05 14:28:25 S 06 55 49.373 +24 17 10.72 – V C57
2023-12-05 14:28:25 s 1 -60168.025 0 +164033.25 0.266 – C57
2023-12-05 16:48:25 S 06 55 33.850 +24 18 24.70 – V C57
2023-12-05 16:48:25 s 1 -65823.138 0 +153169.47 0.884 – C57
2023-12-05 17:28:25 S 06 55 29.938 +24 18 48.17 – V C57
2023-12-05 17:28:25 s 1 -67400.025 0 +149971.67 0.694 – C57
2023-12-05 19:08:25 S 06 55 19.406 +24 19 40.58 – V C57
2023-12-05 19:08:25 s 1 -71257.914 0 +141793.58 0.021 – C57
2023-12-05 19:48:25 S 06 55 14.690 +24 20 00.67 – V C57
2023-12-05 19:48:25 s 1 -72764.919 0 +138448.75 0.252 – C57
2023-12-05 20:28:25 S 06 55 10.668 +24 20 18.96 – V C57
2023-12-05 20:28:25 s 1 -74249.703 0 +135061.59 0.295 – C57
2023-12-05 20:48:25 S 06 55 08.791 +24 20 32.53 – V C57
2023-12-05 20:48:25 s 1 -74983.510 0 +133352.25 0.04 – C57
2023-12-05 21:08:25 S 06 55 06.463 +24 20 43.91 – V C57
2023-12-05 21:08:25 s 1 -75711.316 0 +131632.24 0.268 – C57
2023-12-05 21:28:25 S 06 55 04.286 +24 20 54.31 – V C57