Shoemaker-Holt 1 (128P)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2016-02-17 (JD 2457435.5)
Eccentricity (e)0.3214554998 ± 8.22e-08
Semi-major axis (a)4.5033596168 AU ± 3.38e-08
Inclination (i)4.36391215° ± 1.02e-05
Long. of Asc. Node (Ω)214.29384887° ± 8.48e-05
Arg. of Perihelion (ω)210.57891677° ± 9.84e-05
Mean Anomaly (M)326.09282825° ± 2.60e-05
Mean Motion (n)0.1031352991°/day ± 1.16e-09
Perihelion dist (q)3.05572990 AU ± 3.71e-07
Aphelion dist (Q)5.95098933 AU ± 3.73e-07
Orbital Period9.55663378 yr ± 1.08e-07
NGA Modelg(r)
A2-3.00005824e-09 ± 9.82e-11 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-05-30
RMS Residual0.769″
Uncertainty0
Orbit TypeMBA
MOID2.068882 AU
Observations Used1083
Oppositions34
Arc Total1987-2025
First Observation Used1987-09-24
Last Observation Used2025-12-25
Observations (1161)
Date Type RA Dec Mag Band Observatory
2016-11-28 23:43:54 C 03 14 56.42 +15 38 18.7 – q K02
2016-11-28 23:50:00 C 03 14 56.25 +15 38 17.7 – q Z80
2016-11-28 23:57:05 C 03 14 56.05 +15 38 16.4 – q Z80
2016-11-29 00:04:10 C 03 14 55.83 +15 38 16.6 – q Z80
2016-11-29 09:17:29 C 03 14 42.43 +15 37 01.8 – L T05
2016-11-29 09:43:52 C 03 14 41.90 +15 36 57.2 – L T05
2016-11-29 10:17:17 C 03 14 40.96 +15 36 52.5 – L T05
2016-11-29 10:49:16 C 03 14 40.23 +15 36 48.8 – L T05
2016-11-29 12:21:23 C 03 14 38.19 +15 36 34.9 – q Q21
2016-11-29 12:29:00 C 03 14 38.00 +15 36 32.2 – q Q21
2016-11-29 13:59:19 C 03 14 35.74 +15 36 20.3 – q Q11
2016-11-29 14:02:43 C 03 14 35.65 +15 36 20.1 – q Q11
2016-11-29 14:05:28 C 03 14 35.56 +15 36 19.5 – q Q11
2016-11-29 22:33:15 C 03 14 23.46 +15 35 08.9 – q 958
2016-11-29 22:46:00 C 03 14 23.12 +15 35 06.6 – q 958
2016-11-29 22:58:45 C 03 14 22.78 +15 35 05.3 – q 958
2016-11-29 23:33:52 C 03 14 21.98 +15 34 58.3 – q K02
2016-11-29 23:41:15 C 03 14 21.90 +15 34 59.5 – q K02
2016-11-29 23:48:33 C 03 14 21.65 +15 34 58.1 – q K02
2016-12-01 00:04:36 C 03 13 47.21 +15 31 39.7 – q 160
2016-12-01 00:08:40 C 03 13 47.15 +15 31 38.5 – q 160
2016-12-01 00:12:42 C 03 13 47.03 +15 31 38.0 – q 160
2016-12-01 22:21:55 C 03 13 16.54 +15 28 40.1 – q 958
2016-12-01 22:34:37 C 03 13 16.25 +15 28 38.8 – q 958
2016-12-01 22:47:18 C 03 13 15.91 +15 28 36.6 – q 958
2016-12-02 21:52:18 C 03 12 44.74 +15 25 35.2 – q 958
2016-12-02 22:05:00 C 03 12 44.48 +15 25 33.5 – q 958
2016-12-02 22:17:42 C 03 12 44.19 +15 25 31.7 – q 958
2016-12-03 03:11:36 C 03 12 37.62 +15 24 59.0 – q W96
2016-12-03 04:20:11 C 03 12 36.01 +15 24 49.2 – q W96
2016-12-03 11:56:43 C 03 12 26.17 +15 23 47.0 – S D88
2016-12-03 12:01:19 C 03 12 26.02 +15 23 46.1 – S D88
2016-12-03 23:19:42 C 03 12 11.13 +15 22 18.8 – q K02
2016-12-03 23:29:17 C 03 12 10.91 +15 22 17.6 – q K02
2016-12-04 03:28:16 C 03 12 05.96 +15 21 49.5 – R G45
2016-12-04 03:35:51 C 03 12 05.78 +15 21 48.5 – R G45
2016-12-04 03:43:17 C 03 12 05.62 +15 21 47.5 – R G45
2016-12-04 03:50:43 C 03 12 05.49 +15 21 46.7 – R G45
2016-12-04 03:59:01 C 03 12 05.27 +15 21 45.5 – R G45
2016-12-04 04:07:54 C 03 12 05.08 +15 21 44.3 – R G45
2016-12-05 21:38:06 C 03 11 12.78 +15 16 37.2 – Q J38
2016-12-05 21:54:24 C 03 11 12.45 +15 16 35.1 – Q J38
2016-12-05 21:58:28 C 03 11 12.37 +15 16 34.4 – Q J38
2016-12-05 22:23:08 C 03 11 11.81 +15 16 31.9 – Q 213
2016-12-05 22:29:47 C 03 11 11.67 +15 16 31.0 – Q 213
2016-12-05 22:32:42 C 03 11 11.61 +15 16 30.1 – q 958
2016-12-05 22:45:22 C 03 11 11.35 +15 16 28.8 – q 958
2016-12-05 22:46:49 C 03 11 11.29 +15 16 29.1 – Q 213
2016-12-05 22:58:03 C 03 11 11.08 +15 16 27.2 – q 958
2016-12-05 23:12:42 C 03 11 10.75 +15 16 25.8 – q 160