389P/SidingSpring
Basic Information of 389P/SidingSpring
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | P |
| Perihelion distance (AU) | 1.655254 |
| Eccentricity | 0.705941 |
| Inclination (deg) | 160.076200 |
| Longitude of ascending node (deg) | 218.832500 |
| Argument of perihelion (deg) | 249.289900 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | , MPC orbital elements |
| Period (years) | 13.355042 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2033-05-09T06:09:09.135 |
| Period (years) | 13.355042 |
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 | 11:23:18.57 | +23:02:57.3 | 9.689 | 5.10 | 31.8 | HIP 55562 | 33.01 |
| 2025-11-22 | 11:23:23.24 | +23:04:41.3 | 9.673 | 5.11 | 28.8 | HIP 55660 | 33.40 |
| 2025-11-23 | 11:23:27.53 | +23:06:28.7 | 9.657 | 5.13 | 25.9 | HIP 55660 | 31.38 |
| 2025-11-24 | 11:23:31.42 | +23:08:19.5 | 9.641 | 5.16 | 22.9 | HIP 55660 | 29.34 |
| 2025-11-25 | 11:23:34.91 | +23:10:13.5 | 9.625 | 5.20 | 20.0 | HIP 55660 | 27.28 |
| 2025-11-26 | 11:23:38.00 | +23:12:10.9 | 9.609 | 5.26 | 17.0 | HIP 55660 | 25.20 |
| 2025-11-27 | 11:23:40.69 | +23:14:11.6 | 9.593 | 5.33 | 14.2 | HIP 55660 | 23.10 |
| 2025-11-28 | 11:23:42.96 | +23:16:15.7 | 9.576 | 5.41 | 11.4 | HIP 55660 | 20.98 |
| 2025-11-29 | 11:23:44.82 | +23:18:23.0 | 9.560 | 5.51 | 8.6 | HIP 55660 | 18.84 |
| 2025-11-30 | 11:23:46.26 | +23:20:33.6 | 9.544 | 5.61 | 6.0 | HIP 55660 | 16.70 |
| 2025-12-01 | 11:23:47.27 | +23:22:47.5 | 9.528 | 5.73 | 3.4 | HIP 55660 | 14.57 |
| 2025-12-02 | 11:23:47.86 | +23:25:04.7 | 9.511 | 5.85 | 0.9 | HIP 55660 | 12.49 |
| 2025-12-03 | 11:23:48.02 | +23:27:25.2 | 9.495 | 5.99 | 358.5 | HIP 55660 | 10.50 |
| 2025-12-04 | 11:23:47.75 | +23:29:48.8 | 9.479 | 6.13 | 356.2 | HIP 55660 | 8.72 |
| 2025-12-05 | 11:23:47.04 | +23:32:15.7 | 9.463 | 6.29 | 354.0 | HIP 55660 | 7.36 |
| 2025-12-06 | 11:23:45.88 | +23:34:45.8 | 9.446 | 6.45 | 351.8 | HIP 55660 | 6.75 |
| 2025-12-07 | 11:23:44.29 | +23:37:19.1 | 9.430 | 6.45 | 351.8 | HIP 55660 | 7.15 |