C/2017 U4 (PANSTARRS)
Basic Information of C/2017 U4 (PANSTARRS)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 7.751872 |
| Eccentricity | 0.999196 |
| Inclination (deg) | 158.202500 |
| Longitude of ascending node (deg) | 245.923500 |
| Argument of perihelion (deg) | 159.210700 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPEC 2023-CD7, MPC orbital elements |
| Period (years) | 946729.296025 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2018-09-22T05:08:35.520 |
| Period (years) | 946729.296025 |
Magnitude
Magnitude Chart Placeholder
Ephemeris
| Date (UTC) | RA (J2000) | Dec (J2000) | Δ (AU) | Motion (arcsec/hr) | Dir (deg) | Nearest HIP | Dist (arcmin) |
|---|---|---|---|---|---|---|---|
| 2025-11-21 | 00:01:48.63 | -23:08:15.8 | 16.213 | 6.09 | 273.6 | HIP 24 | 28.07 |
| 2025-11-22 | 00:01:38.06 | -23:08:06.5 | 16.233 | 5.95 | 274.5 | HIP 24 | 26.44 |
| 2025-11-23 | 00:01:27.74 | -23:07:55.2 | 16.253 | 5.82 | 275.5 | HIP 24 | 25.00 |
| 2025-11-24 | 00:01:17.66 | -23:07:41.9 | 16.273 | 5.68 | 276.4 | HIP 24 | 23.77 |
| 2025-11-25 | 00:01:07.84 | -23:07:26.6 | 16.293 | 5.55 | 277.4 | HIP 24 | 22.77 |
| 2025-11-26 | 00:00:58.27 | -23:07:09.4 | 16.313 | 5.42 | 278.5 | HIP 24 | 22.02 |
| 2025-11-27 | 00:00:48.95 | -23:06:50.2 | 16.333 | 5.28 | 279.5 | HIP 24 | 21.52 |
| 2025-11-28 | 00:00:39.89 | -23:06:29.2 | 16.354 | 5.15 | 280.7 | HIP 24 | 21.27 |
| 2025-11-29 | 00:00:31.08 | -23:06:06.2 | 16.374 | 5.02 | 281.9 | HIP 24 | 21.27 |
| 2025-11-30 | 00:00:22.53 | -23:05:41.5 | 16.394 | 4.90 | 283.1 | HIP 118236 | 20.32 |
| 2025-12-01 | 00:00:14.23 | -23:05:14.9 | 16.415 | 4.77 | 284.4 | HIP 118236 | 18.37 |
| 2025-12-02 | 00:00:06.20 | -23:04:46.5 | 16.435 | 4.65 | 285.7 | HIP 118236 | 16.46 |
| 2025-12-03 | 23:59:58.42 | -23:04:16.3 | 16.456 | 4.52 | 287.1 | HIP 118236 | 14.60 |
| 2025-12-04 | 23:59:50.90 | -23:03:44.4 | 16.477 | 4.40 | 288.5 | HIP 118236 | 12.80 |
| 2025-12-05 | 23:59:43.64 | -23:03:10.8 | 16.497 | 4.29 | 290.1 | HIP 118236 | 11.05 |
| 2025-12-06 | 23:59:36.64 | -23:02:35.5 | 16.518 | 4.17 | 291.7 | HIP 118236 | 9.36 |
| 2025-12-07 | 23:59:29.89 | -23:01:58.5 | 16.539 | 4.17 | 291.7 | HIP 118236 | 7.73 |