C/2021 O1 (Nishimura)
Basic Information of C/2021 O1 (Nishimura)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 0.785813 |
| Eccentricity | 0.999662 |
| Inclination (deg) | 27.592800 |
| Longitude of ascending node (deg) | 41.591000 |
| Argument of perihelion (deg) | 74.433800 |
| Epoch | 2023-02-25T00:00:00.000 |
| Reference | , MPC orbital elements |
| Period (years) | 112099.522695 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2021-08-13T23:36:23.040 |
| Period (years) | 112099.522695 |
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 | 17:26:25.91 | -41:55:03.8 | 14.889 | 10.18 | 88.4 | HIP 85377 | 19.14 |
| 2025-11-22 | 17:26:47.79 | -41:54:56.7 | 14.902 | 10.23 | 88.6 | HIP 85377 | 19.00 |
| 2025-11-23 | 17:27:09.77 | -41:54:50.7 | 14.914 | 10.28 | 88.9 | HIP 85377 | 19.71 |
| 2025-11-24 | 17:27:31.86 | -41:54:45.8 | 14.927 | 10.32 | 89.1 | HIP 85533 | 20.37 |
| 2025-11-25 | 17:27:54.05 | -41:54:42.0 | 14.939 | 10.36 | 89.4 | HIP 85533 | 17.77 |
| 2025-11-26 | 17:28:16.32 | -41:54:39.2 | 14.951 | 10.40 | 89.6 | HIP 85533 | 15.84 |
| 2025-11-27 | 17:28:38.68 | -41:54:37.5 | 14.963 | 10.44 | 89.9 | HIP 85533 | 14.88 |
| 2025-11-28 | 17:29:01.12 | -41:54:36.9 | 14.974 | 10.47 | 90.1 | HIP 85533 | 15.07 |
| 2025-11-29 | 17:29:23.64 | -41:54:37.4 | 14.985 | 10.51 | 90.4 | HIP 85533 | 16.38 |
| 2025-11-30 | 17:29:46.23 | -41:54:38.9 | 14.996 | 10.54 | 90.6 | HIP 85710 | 14.44 |
| 2025-12-01 | 17:30:08.88 | -41:54:41.5 | 15.007 | 10.56 | 90.9 | HIP 85710 | 10.93 |
| 2025-12-02 | 17:30:31.59 | -41:54:45.2 | 15.017 | 10.59 | 91.1 | HIP 85710 | 8.09 |
| 2025-12-03 | 17:30:54.36 | -41:54:49.9 | 15.027 | 10.62 | 91.3 | HIP 85763 | 6.30 |
| 2025-12-04 | 17:31:17.18 | -41:54:55.6 | 15.037 | 10.64 | 91.6 | HIP 85763 | 2.14 |
| 2025-12-05 | 17:31:40.04 | -41:55:02.5 | 15.046 | 10.66 | 91.8 | HIP 85763 | 2.33 |
| 2025-12-06 | 17:32:02.95 | -41:55:10.3 | 15.056 | 10.68 | 92.0 | HIP 85763 | 6.53 |
| 2025-12-07 | 17:32:25.90 | -41:55:19.2 | 15.065 | 10.68 | 92.0 | HIP 85763 | 10.78 |