2I/Borisov
Basic Information of 2I/Borisov
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | I |
| Perihelion distance (AU) | 1.997724 |
| Eccentricity | 3.345952 |
| Inclination (deg) | 44.262400 |
| Longitude of ascending node (deg) | 307.802400 |
| Argument of perihelion (deg) | 209.291100 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPEC 2025-R69, MPC orbital elements |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2019-12-09T01:22:22.080 |
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 | 17:57:19.07 | -53:31:35.8 | 43.403 | 3.37 | 73.9 | HIP 87793 | 11.59 |
| 2025-11-22 | 17:57:27.78 | -53:31:13.4 | 43.429 | 3.39 | 74.5 | HIP 87793 | 12.93 |
| 2025-11-23 | 17:57:36.56 | -53:30:51.6 | 43.456 | 3.40 | 75.0 | HIP 87793 | 14.29 |
| 2025-11-24 | 17:57:45.41 | -53:30:30.4 | 43.482 | 3.42 | 75.5 | HIP 87793 | 15.65 |
| 2025-11-25 | 17:57:54.32 | -53:30:09.9 | 43.507 | 3.44 | 76.0 | HIP 87793 | 17.02 |
| 2025-11-26 | 17:58:03.29 | -53:29:50.0 | 43.533 | 3.45 | 76.6 | HIP 87814 | 18.00 |
| 2025-11-27 | 17:58:12.31 | -53:29:30.7 | 43.558 | 3.46 | 77.1 | HIP 87814 | 19.02 |
| 2025-11-28 | 17:58:21.39 | -53:29:12.1 | 43.583 | 3.48 | 77.6 | HIP 87814 | 20.09 |
| 2025-11-29 | 17:58:30.52 | -53:28:54.1 | 43.608 | 3.49 | 78.1 | HIP 87814 | 21.22 |
| 2025-11-30 | 17:58:39.71 | -53:28:36.7 | 43.633 | 3.50 | 78.5 | HIP 87814 | 22.38 |
| 2025-12-01 | 17:58:48.93 | -53:28:20.0 | 43.657 | 3.51 | 79.0 | HIP 87814 | 23.58 |
| 2025-12-02 | 17:58:58.21 | -53:28:03.9 | 43.681 | 3.53 | 79.5 | HIP 88130 | 24.29 |
| 2025-12-03 | 17:59:07.52 | -53:27:48.5 | 43.705 | 3.54 | 80.0 | HIP 88130 | 23.51 |
| 2025-12-04 | 17:59:16.88 | -53:27:33.7 | 43.729 | 3.54 | 80.5 | HIP 88130 | 22.81 |
| 2025-12-05 | 17:59:26.27 | -53:27:19.6 | 43.752 | 3.55 | 80.9 | HIP 88130 | 22.18 |
| 2025-12-06 | 17:59:35.70 | -53:27:06.1 | 43.776 | 3.56 | 81.4 | HIP 88130 | 21.64 |
| 2025-12-07 | 17:59:45.16 | -53:26:53.3 | 43.799 | 3.56 | 81.4 | HIP 88130 | 21.19 |