Howell (88P)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2019-03-13 (JD 2458555.5)
Eccentricity (e)0.5640715690 ± 5.67e-08
Semi-major axis (a)3.1060875757 AU ± 8.06e-08
Inclination (i)4.38376567° ± 8.79e-06
Long. of Asc. Node (Ω)56.69487866° ± 8.02e-05
Arg. of Perihelion (ω)235.87629830° ± 8.13e-05
Mean Anomaly (M)258.51442921° ± 7.27e-06
Mean Motion (n)0.1800460215°/day ± 7.01e-09
Perihelion dist (q)1.35403188 AU ± 1.80e-07
Aphelion dist (Q)4.85814327 AU ± 2.17e-07
Orbital Period5.47430193 yr ± 2.13e-07
Orbit Solution
SourceJPL
Solution Date2025-09-09 14:40:12
RMS Residual0.594″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID0.345428 AU
Observations Used3010
Oppositions—
Arc Total2014-2025
First Observation Used—
Last Observation Used2025-06-24
Observations (406)
Date Type RA Dec Mag Band Observatory
2026-07-24 01:11:02 C 02 42 52.137 +12 18 28.23 – Z M09
2026-07-28 00:34:24 C 02 48 04.620 +12 43 12.76 – Z M09
2026-07-28 00:42:18 C 02 48 05.081 +12 43 13.64 – Z M09
2026-07-28 00:49:25 C 02 48 05.606 +12 43 14.89 – Z M09
2026-07-29 00:32:03 C 02 49 19.806 +12 49 06.84 – Z M09
2026-07-29 00:36:47 C 02 49 20.260 +12 49 04.37 – Z M09
2026-07-29 00:40:45 C 02 49 20.409 +12 49 06.21 – Z M09
2026-07-30 01:10:41 C 02 50 35.633 +12 55 01.84 – Z M09
2026-07-30 01:18:36 C 02 50 36.165 +12 55 00.50 – Z M09
2026-07-30 01:25:42 C 02 50 36.601 +12 55 01.69 – Z M09
2026-08-07 00:13:23 C 02 59 32.492 +13 36 01.86 – Z M09
2026-08-07 00:21:18 C 02 59 32.804 +13 36 03.44 – Z M09
2026-08-07 00:28:24 C 02 59 33.116 +13 36 05.06 – Z M09
2026-08-07 01:13:42 B 02 59 34.72 +13 36 19.1 – 8 A77
2026-08-07 01:19:52 B 02 59 34.92 +13 36 21.5 – 8 A77
2026-08-07 01:25:44 B 02 59 35.20 +13 36 21.5 – 8 A77
2026-08-07 01:46:03 C 02 59 36.408 +13 36 19.91 – Z C23
2026-08-07 01:51:27 C 02 59 36.634 +13 36 21.24 – Z C23
2026-08-07 01:57:55 C 02 59 36.900 +13 36 22.64 – Z C23
2026-08-07 14:33:03 C 03 00 08.794 +13 38 49.60 – V T05
2026-08-07 14:39:04 C 03 00 09.041 +13 38 50.86 – V T05
2026-08-07 14:48:19 C 03 00 09.422 +13 38 52.55 – V T05
2026-08-07 15:02:23 C 03 00 09.996 +13 38 55.28 – V T05
2026-08-08 01:39:10 B 03 00 36.778 +13 40 53.11 – V J01
2026-08-08 01:46:13 B 03 00 36.982 +13 40 53.98 – V J01
2026-08-08 01:52:09 B 03 00 37.135 +13 40 54.62 – V J01
2026-08-08 02:20:09 C 03 00 38.344 +13 41 00.34 – Z M09
2026-08-08 02:27:27 C 03 00 38.659 +13 41 01.77 – Z M09
2026-08-08 02:33:41 C 03 00 38.920 +13 41 02.91 – Z M09
2026-08-09 01:46:36 C 03 01 35.968 +13 45 20.22 – Z M09
2026-08-09 01:53:53 C 03 01 36.265 +13 45 21.50 – Z M09
2026-08-09 01:56:39 C 03 01 36.358 +13 45 22.18 – Z C23
2026-08-09 02:00:08 C 03 01 36.502 +13 45 22.66 – Z M09
2026-08-09 02:03:07 C 03 01 36.648 +13 45 23.36 – Z C23
2026-08-09 02:10:38 C 03 01 36.922 +13 45 24.44 – Z C23
2026-08-10 03:26:35 B 03 02 37.205 +13 49 56.10 – V J01
2026-08-10 03:33:59 B 03 02 37.459 +13 49 57.47 – V J01
2026-08-10 03:42:00 B 03 02 37.757 +13 49 59.30 – V J01
2026-08-11 00:27:52 C 03 03 26.134 +13 53 35.64 – Z M09
2026-08-11 00:35:09 C 03 03 26.415 +13 53 36.66 – Z M09
2026-08-11 00:41:23 C 03 03 26.491 +13 53 39.49 – Z M09
2026-08-11 01:14:10 B 03 03 27.590 +13 53 45.85 – X M19
2026-08-11 01:20:16 B 03 03 28.051 +13 53 45.02 – X M19
2026-08-11 01:20:18 B 03 03 27.804 +13 53 47.44 – X M19
2026-08-11 01:26:24 B 03 03 28.046 +13 53 47.08 – X M19
2026-08-12 14:30:17 C 03 04 51.077 +14 00 00.32 – V T08
2026-08-12 14:36:36 C 03 04 51.350 +14 00 01.62 – V T08
2026-08-12 14:52:35 C 03 04 51.895 +14 00 03.92 – V T08
2026-08-12 15:01:16 C 03 04 52.214 +14 00 05.40 – V T08
2026-08-12 19:55:57 B 03 05 03.096 +14 00 56.59 – Z P14