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
2017-01-25 19:43:49 C 06 54 35.22 +27 26 37.5 – q 585
2017-01-25 19:45:52 C 06 54 35.14 +27 26 36.8 – q 585
2017-01-25 19:46:53 C 06 54 35.13 +27 26 37.2 – q 585
2017-01-25 19:47:54 C 06 54 35.08 +27 26 37.2 – q 585
2017-01-25 19:48:55 C 06 54 35.09 +27 26 37.7 – q 585
2017-01-25 19:49:56 C 06 54 35.09 +27 26 37.7 – q 585
2017-01-25 19:50:57 C 06 54 35.06 +27 26 37.2 – q 585
2017-01-25 19:51:59 C 06 54 35.02 +27 26 37.8 – q 585
2017-01-25 19:53:00 C 06 54 35.00 +27 26 37.8 – q 585
2017-01-25 19:54:02 C 06 54 34.96 +27 26 37.9 – q 585
2017-01-25 19:55:02 C 06 54 34.94 +27 26 38.2 – q 585
2017-01-25 19:58:34 C 06 54 34.85 +27 26 38.2 – q 585
2017-01-25 19:59:35 C 06 54 34.79 +27 26 38.0 – q 585
2017-01-25 20:00:35 C 06 54 34.78 +27 26 37.7 – q 585
2017-01-25 20:57:56 C 06 54 33.32 +27 26 41.2 – Q J38
2017-01-25 21:07:05 C 06 54 33.08 +27 26 41.7 – Q J38
2017-01-25 21:20:50 C 06 54 32.70 +27 26 42.5 – Q J38
2017-01-25 22:28:29 C 06 54 30.84 +27 26 46.4 – q C23
2017-01-25 22:36:48 C 06 54 30.63 +27 26 46.8 – q C23
2017-01-25 22:45:07 C 06 54 30.41 +27 26 47.4 – q C23
2017-01-25 23:12:27 C 06 54 29.62 +27 26 48.9 – q 160
2017-01-25 23:15:26 C 06 54 29.55 +27 26 49.1 – q 160
2017-01-25 23:18:13 C 06 54 29.52 +27 26 49.3 – q 160
2017-01-26 00:54:18 C 06 54 26.90 +27 26 53.5 – q I81
2017-01-26 01:00:26 C 06 54 26.76 +27 26 54.2 – q I81
2017-01-26 01:04:32 C 06 54 26.68 +27 26 54.8 – q I81
2017-01-26 01:15:58 C 06 54 26.55 +27 26 56.8 – q W34
2017-01-26 01:32:06 C 06 54 26.14 +27 26 57.5 – q W34
2017-01-26 01:48:06 C 06 54 25.70 +27 26 57.9 – q W34
2017-01-26 21:18:43 C 06 53 55.11 +27 28 02.4 – c B96
2017-01-26 21:21:03 C 06 53 55.05 +27 28 02.6 – c B96
2017-01-26 21:23:23 C 06 53 54.98 +27 28 02.8 – c B96
2017-01-26 21:25:44 C 06 53 54.91 +27 28 03.0 – c B96
2017-01-26 21:28:05 C 06 53 54.86 +27 28 03.1 – c B96
2017-01-26 23:11:41 C 06 53 52.18 +27 28 08.6 – q 160
2017-01-26 23:15:18 C 06 53 52.06 +27 28 08.1 – q 160
2017-01-26 23:18:43 C 06 53 51.96 +27 28 08.5 – q 160
2017-01-26 23:36:23 C 06 53 51.53 +27 28 10.0 – q K02
2017-01-26 23:42:45 C 06 53 51.39 +27 28 10.6 – q K02
2017-01-26 23:51:14 C 06 53 51.12 +27 28 10.6 – q K02
2017-01-28 11:26:18 C 06 52 57.17 +27 30 02.3 – q Q11
2017-01-28 11:29:21 C 06 52 57.10 +27 30 02.9 – q Q11
2017-01-28 11:32:54 C 06 52 57.01 +27 30 03.0 – q Q11
2017-01-28 22:51:01 C 06 52 40.11 +27 30 36.2 – q 970
2017-01-28 23:01:29 C 06 52 39.84 +27 30 36.5 – q 970
2017-01-29 01:54:45 C 06 52 35.48 +27 30 44.7 – q I81
2017-01-29 02:00:53 C 06 52 35.28 +27 30 44.9 – q I81
2017-01-29 02:04:58 C 06 52 35.09 +27 30 44.9 – q I81
2017-01-29 18:07:03 C 06 52 12.10 +27 31 32.4 – S K14
2017-01-29 18:32:49 C 06 52 11.46 +27 31 33.7 – S K14