ATLAS (427P)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2017-11-22 (JD 2458079.5)
Eccentricity (e)0.3130446325 ± 1.83e-06
Semi-major axis (a)3.1708372050 AU ± 2.41e-05
Inclination (i)11.84936299° ± 1.25e-04
Long. of Asc. Node (Ω)252.39103142° ± 5.03e-04
Arg. of Perihelion (ω)99.94425305° ± 2.60e-03
Mean Anomaly (M)20.41930293° ± 1.19e-03
Mean Motion (n)0.1745593660°/day ± 1.99e-06
Perihelion dist (q)2.17822364 AU ± 1.76e-05
Aphelion dist (Q)4.16345077 AU ± 3.22e-05
Orbital Period5.64636723 yr ± 6.45e-05
Orbit Solution
SourceJPL
Solution Date2026-06-09 11:12:48
RMS Residual0.522″
Uncertainty3
Orbit TypeEncke-type Comet
MOID1.210010 AU
Observations Used442
Oppositions—
Arc Total2017-2021
First Observation Used—
Last Observation Used2021-06-13
Observations (446)
Date Type RA Dec Mag Band Observatory
2017-11-15 19:51:48 C 00 33 57.28 +17 28 43.3 – q 585
2017-11-15 19:52:50 C 00 33 57.26 +17 28 42.6 – q 585
2017-11-15 19:53:51 C 00 33 57.26 +17 28 42.3 – q 585
2017-11-15 19:54:52 C 00 33 57.25 +17 28 41.9 – q 585
2017-11-15 19:55:54 C 00 33 57.28 +17 28 41.6 – q 585
2017-11-15 19:56:54 C 00 33 57.27 +17 28 41.1 – q 585
2017-11-15 19:57:56 C 00 33 57.31 +17 28 41.4 – q 585
2017-11-15 19:58:57 C 00 33 57.33 +17 28 41.1 – q 585
2017-11-15 19:59:58 C 00 33 57.36 +17 28 40.2 – q 585
2017-11-15 20:01:00 C 00 33 57.28 +17 28 39.8 – q 585
2017-11-15 20:04:03 C 00 33 57.31 +17 28 38.6 – q 585
2017-11-15 20:05:06 C 00 33 57.32 +17 28 38.4 – q 585
2017-11-15 20:06:07 C 00 33 57.34 +17 28 37.9 – q 585
2017-11-15 20:07:10 C 00 33 57.34 +17 28 37.5 – q 585
2017-11-17 04:40:58 C 00 34 09.591 +17 16 44.13 – U 695
2017-11-17 04:46:17 C 00 34 09.611 +17 16 42.23 – U 695
2017-11-17 04:51:39 C 00 34 09.651 +17 16 40.31 – U 695
2017-11-17 04:56:56 C 00 34 09.672 +17 16 38.45 – U 695
2017-11-17 05:02:20 C 00 34 09.699 +17 16 36.43 – U 695
2017-11-17 05:07:39 C 00 34 09.736 +17 16 34.47 – U 695
2017-11-17 05:12:59 C 00 34 09.753 +17 16 32.62 – U 695
2017-11-17 05:18:18 C 00 34 09.782 +17 16 30.68 – U 695
2017-11-17 05:23:35 C 00 34 09.828 +17 16 28.72 – U 695
2017-11-17 05:28:54 C 00 34 09.853 +17 16 26.90 – U 695
2017-11-17 05:34:13 C 00 34 09.880 +17 16 24.83 – U 695
2017-11-17 05:39:30 C 00 34 09.912 +17 16 22.93 – U 695
2017-11-17 05:44:48 C 00 34 09.948 +17 16 21.14 – U 695
2017-11-17 05:50:07 C 00 34 09.983 +17 16 19.19 – U 695
2017-11-17 05:55:26 C 00 34 10.001 +17 16 17.27 – U 695
2017-11-17 06:00:45 C 00 34 10.028 +17 16 15.23 – U 695
2017-11-17 20:37:36 C 00 34 16.79 +17 11 00.2 – U A77
2017-11-17 20:50:34 C 00 34 16.86 +17 10 55.2 – U A77
2017-11-17 21:01:51 C 00 34 16.91 +17 10 51.4 – U A77
2017-11-19 21:25:18 C 00 34 43.03 +16 54 01.1 – q B74
2017-11-19 21:41:44 C 00 34 43.18 +16 53 55.6 – q B74
2017-11-19 21:59:24 C 00 34 43.36 +16 53 49.7 – q B74
2017-11-21 10:57:51 C 00 35 08.00 +16 41 29.5 – q Q21
2017-11-21 11:29:52 C 00 35 08.38 +16 41 20.1 – q Q21
2017-11-22 08:43:21 C 00 35 24.02 +16 34 30.1 – U T05
2017-11-22 09:04:15 C 00 35 24.32 +16 34 23.3 – U T05
2017-11-22 09:04:54 C 00 35 24.26 +16 34 22.9 – U T05
2017-11-22 09:13:33 C 00 35 24.46 +16 34 20.6 – U T05
2017-11-23 08:34:14 C 00 35 43.54 +16 27 03.9 – U E85
2017-11-23 08:44:33 C 00 35 43.67 +16 27 01.0 – U E85
2017-11-23 08:49:43 C 00 35 43.73 +16 26 59.4 – U E85
2017-11-23 08:54:54 C 00 35 43.80 +16 26 57.7 – U E85
2017-11-24 07:55:56 C 00 36 03.89 +16 19 48.2 – U T08
2017-11-24 08:08:52 C 00 36 04.02 +16 19 45.1 – U T08
2017-11-24 08:29:55 C 00 36 04.35 +16 19 38.2 – U T08
2017-11-24 08:30:34 C 00 36 04.35 +16 19 36.7 – U T08