Smirnova-Chernykh (74P)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2013-01-30 (JD 2456322.5)
Eccentricity (e)0.1478530140 ± 2.49e-08
Semi-major axis (a)4.1650671715 AU ± 2.89e-08
Inclination (i)6.65101255° ± 2.42e-06
Long. of Asc. Node (Ω)77.08375530° ± 2.24e-05
Arg. of Perihelion (ω)86.55881540° ± 2.54e-05
Mean Anomaly (M)148.78868485° ± 1.03e-05
Mean Motion (n)0.1159522717°/day ± 1.21e-09
Perihelion dist (q)3.54924944 AU ± 1.06e-07
Aphelion dist (Q)4.78088491 AU ± 1.09e-07
Orbital Period8.50027575 yr ± 8.84e-08
NGA Modelg(r)
A11.59588121e-07 ± 7.64e-09 AU/d²
A2-1.11946374e-07 ± 6.23e-10 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.633″
Uncertainty0
Orbit TypeMBA
MOID2.566532 AU
Observations Used6217
Oppositions51
Arc Total1967-2025
First Observation Used1976-01-08
Last Observation Used2025-12-28
Observations (6538)
Date Type RA Dec Mag Band Observatory
2015-11-06 23:30:31 C 03 38 30.53 +15 53 50.7 – q C27
2015-11-07 00:13:48 C 03 38 29.33 +15 53 48.6 – q 941
2015-11-07 00:34:11 C 03 38 28.78 +15 53 47.2 – q 941
2015-11-07 01:03:09 C 03 38 27.99 +15 53 45.6 – q 941
2015-11-07 07:05:44 C 03 38 18.30 +15 53 22.4 – q 703
2015-11-07 07:12:58 C 03 38 18.16 +15 53 22.7 – q 703
2015-11-07 07:20:12 C 03 38 17.93 +15 53 22.4 – q 703
2015-11-07 07:27:27 C 03 38 17.74 +15 53 21.8 – q 703
2015-11-09 04:26:15 C 03 37 05.47 +15 50 38.3 – q W96
2015-11-09 05:01:24 C 03 37 04.44 +15 50 35.4 – q W96
2015-11-10 06:53:59 C 03 36 22.42 +15 48 56.7 – q 703
2015-11-10 07:03:21 C 03 36 22.23 +15 48 56.2 – q 703
2015-11-10 07:12:46 C 03 36 21.92 +15 48 55.7 – q 703
2015-11-10 07:22:09 C 03 36 21.65 +15 48 55.2 – q 703
2015-11-12 08:31:22 C 03 35 00.84 +15 45 51.8 – o 691
2015-11-12 08:59:53 C 03 35 00.00 +15 45 49.6 – o 691
2015-11-12 09:29:40 C 03 34 59.18 +15 45 47.9 – o 691
2015-11-15 10:35:15 C 03 32 57.79 +15 41 15.6 – L T05
2015-11-15 11:10:18 C 03 32 56.71 +15 41 13.7 – L T05
2015-11-15 11:37:26 C 03 32 55.96 +15 41 13.1 – L T05
2015-11-15 12:13:45 C 03 32 54.92 +15 41 11.1 – L T05
2015-11-16 10:38:57 C 03 32 17.41 +15 39 47.5 – L T05
2015-11-16 11:13:48 C 03 32 16.59 +15 39 46.2 – L T05
2015-11-16 11:39:02 C 03 32 15.72 +15 39 43.8 – L T05
2015-11-16 12:15:54 C 03 32 14.67 +15 39 42.3 – L T05
2015-11-16 17:23:24 C 03 32 06.29 +15 39 21.0 – o C94
2015-11-16 17:32:07 C 03 32 06.02 +15 39 20.9 – o C94
2015-11-16 17:52:27 C 03 32 05.46 +15 39 20.1 – o C94
2015-11-18 06:14:34 C 03 31 04.63 +15 37 07.3 – S V08
2015-11-18 06:16:50 C 03 31 04.41 +15 37 06.9 – q 703
2015-11-18 06:21:57 C 03 31 04.49 +15 37 06.1 – S V08
2015-11-18 06:23:21 C 03 31 04.23 +15 37 06.7 – q 703
2015-11-18 06:29:27 C 03 31 04.15 +15 37 05.6 – S V08
2015-11-18 06:29:55 C 03 31 03.99 +15 37 06.0 – q 703
2015-11-18 22:36:40 C 03 30 37.19 +15 36 08.1 – q G40
2015-11-18 22:48:20 C 03 30 36.84 +15 36 07.2 – q G40
2015-11-19 23:02:47 C 03 29 56.23 +15 34 40.3 – q J22
2015-11-19 23:09:33 C 03 29 56.10 +15 34 39.6 – q J22
2015-11-19 23:12:44 C 03 29 55.98 +15 34 39.5 – q J22
2015-11-22 08:44:52 C 03 28 19.78 +15 31 15.4 – R G45
2015-11-22 08:53:13 C 03 28 19.57 +15 31 14.9 – R G45
2015-11-22 08:59:58 C 03 28 19.32 +15 31 14.3 – R G45
2015-11-22 09:07:55 C 03 28 19.11 +15 31 13.9 – R G45
2015-11-27 23:10:59 C 03 24 39.42 +15 23 46.3 – q 160
2015-11-27 23:13:54 C 03 24 39.22 +15 23 45.6 – q 160
2015-11-27 23:16:37 C 03 24 39.12 +15 23 45.6 – q 160
2015-11-28 12:37:47 C 03 24 17.73 +15 23 02.6 – m 349
2015-11-28 12:57:05 C 03 24 17.22 +15 23 01.4 – m 349
2015-11-28 14:53:12 C 03 24 14.06 +15 22 55.7 – q 900
2015-11-28 15:03:29 C 03 24 13.77 +15 22 55.4 – q 900