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
2016-12-05 23:16:09 C 03 11 10.66 +15 16 24.7 – q 160
2016-12-05 23:19:36 C 03 11 10.55 +15 16 23.4 – q 160
2016-12-06 02:51:42 C 03 11 06.51 +15 16 00.2 – R G45
2016-12-06 02:58:41 C 03 11 06.38 +15 15 59.8 – R G45
2016-12-06 03:05:49 C 03 11 06.21 +15 15 58.8 – R G45
2016-12-06 03:12:37 C 03 11 06.06 +15 15 58.0 – R G45
2016-12-06 03:20:01 C 03 11 05.91 +15 15 57.2 – R G45
2016-12-06 03:27:30 C 03 11 05.75 +15 15 56.6 – R G45
2016-12-06 04:14:13 C 03 11 04.75 +15 15 50.4 – R G45
2016-12-06 04:22:00 C 03 11 04.57 +15 15 50.0 – R G45
2016-12-06 04:29:32 C 03 11 04.43 +15 15 48.6 – R G45
2016-12-06 04:36:14 C 03 11 04.27 +15 15 47.9 – R G45
2016-12-06 04:44:09 C 03 11 04.10 +15 15 47.0 – R G45
2016-12-06 04:51:43 C 03 11 03.95 +15 15 46.1 – R G45
2016-12-06 06:26:28 C 03 11 01.94 +15 15 35.2 – q G96
2016-12-06 06:32:53 C 03 11 01.81 +15 15 34.6 – q G96
2016-12-06 06:41:13 C 03 11 01.60 +15 15 33.7 – q G96
2016-12-06 06:49:51 C 03 11 01.32 +15 15 31.5 – q G96
2016-12-06 22:11:28 C 03 10 43.15 +15 13 42.9 – q 958
2016-12-06 22:24:11 C 03 10 42.88 +15 13 41.3 – q 958
2016-12-06 22:36:52 C 03 10 42.62 +15 13 39.6 – q 958
2016-12-07 21:22:03 C 03 10 16.19 +15 11 03.3 – q 958
2016-12-07 21:34:48 C 03 10 15.85 +15 11 01.4 – q 958
2016-12-07 21:47:32 C 03 10 15.71 +15 11 00.3 – q 958
2016-12-07 21:51:53 C 03 10 15.52 +15 10 59.5 – U 130
2016-12-07 21:53:25 C 03 10 15.49 +15 10 59.2 – U 130
2016-12-07 21:55:13 C 03 10 15.46 +15 10 59.2 – U 130
2016-12-08 18:57:42 C 03 09 51.86 +15 08 38.6 – o 108
2016-12-08 19:52:52 C 03 09 50.90 +15 08 33.3 – c C90
2016-12-08 20:06:05 C 03 09 50.63 +15 08 30.8 – q C10
2016-12-08 20:22:20 C 03 09 50.32 +15 08 29.0 – c C90
2016-12-08 20:43:22 C 03 09 49.89 +15 08 27.5 – c C90
2016-12-08 21:03:36 C 03 09 49.43 +15 08 24.8 – o 108
2016-12-08 21:08:26 C 03 09 49.42 +15 08 24.2 – q C10
2016-12-08 22:13:30 C 03 09 48.19 +15 08 17.4 – q C10
2016-12-08 22:45:10 C 03 09 47.65 +15 08 12.7 – q 958
2016-12-08 22:58:55 C 03 09 47.31 +15 08 11.9 – q 958
2016-12-08 23:12:40 C 03 09 47.21 +15 08 10.4 – q 958
2016-12-09 20:58:43 C 03 09 23.59 +15 05 50.6 – Q C35
2016-12-09 21:14:23 C 03 09 23.40 +15 05 48.8 – Q C35
2016-12-09 21:32:43 C 03 09 22.97 +15 05 47.1 – Q C35
2016-12-10 02:08:04 C 03 09 18.24 +15 05 17.8 – q 850
2016-12-10 02:33:07 C 03 09 17.79 +15 05 15.6 – q 850
2016-12-17 14:10:52 C 03 06 40.07 +14 49 06.1 – m 349
2016-12-17 14:38:23 C 03 06 39.75 +14 49 03.8 – m 349
2016-12-18 21:07:29 C 03 06 19.75 +14 46 53.3 – w J01
2016-12-18 21:28:03 C 03 06 19.48 +14 46 51.6 – w J01
2016-12-18 21:38:23 C 03 06 19.34 +14 46 50.8 – w J01
2016-12-19 22:24:12 C 03 06 04.59 +14 45 12.9 – q J22
2016-12-19 22:27:50 C 03 06 04.53 +14 45 12.5 – q J22