C/1991 F2 (Helin-Lawrence)
Basic Information of C/1991 F2 (Helin-Lawrence)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 1.505781 |
| Eccentricity | 1.000224 |
| Inclination (deg) | 94.895200 |
| Longitude of ascending node (deg) | 10.983700 |
| Argument of perihelion (deg) | 271.013300 |
| Epoch | 2023-02-25T00:00:00.000 |
| Reference | , MPC orbital elements |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 1992-01-18T16:14:44.160 |
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 | 20:25:59.63 | +59:08:38.7 | 57.261 | 2.45 | 155.1 | HIP 100795 | 2.48 |
| 2025-11-22 | 20:26:02.84 | +59:07:45.3 | 57.269 | 2.45 | 154.1 | HIP 100795 | 1.65 |
| 2025-11-23 | 20:26:06.17 | +59:06:52.4 | 57.277 | 2.45 | 153.0 | HIP 100795 | 1.09 |
| 2025-11-24 | 20:26:09.63 | +59:06:00.1 | 57.286 | 2.44 | 152.0 | HIP 100795 | 1.24 |
| 2025-11-25 | 20:26:13.20 | +59:05:08.4 | 57.294 | 2.44 | 150.9 | HIP 100795 | 1.93 |
| 2025-11-26 | 20:26:16.89 | +59:04:17.2 | 57.302 | 2.44 | 149.9 | HIP 100795 | 2.80 |
| 2025-11-27 | 20:26:20.70 | +59:03:26.5 | 57.310 | 2.44 | 148.8 | HIP 100795 | 3.71 |
| 2025-11-28 | 20:26:24.62 | +59:02:36.5 | 57.319 | 2.43 | 147.8 | HIP 100795 | 4.64 |
| 2025-11-29 | 20:26:28.65 | +59:01:47.1 | 57.327 | 2.43 | 146.7 | HIP 100795 | 5.58 |
| 2025-11-30 | 20:26:32.79 | +59:00:58.4 | 57.335 | 2.43 | 145.7 | HIP 100795 | 6.53 |
| 2025-12-01 | 20:26:37.05 | +59:00:10.2 | 57.344 | 2.43 | 144.6 | HIP 100795 | 7.48 |
| 2025-12-02 | 20:26:41.41 | +58:59:22.8 | 57.352 | 2.42 | 143.6 | HIP 100795 | 8.43 |
| 2025-12-03 | 20:26:45.88 | +58:58:36.0 | 57.361 | 2.42 | 142.5 | HIP 100795 | 9.38 |
| 2025-12-04 | 20:26:50.45 | +58:57:49.8 | 57.369 | 2.42 | 141.5 | HIP 100795 | 10.33 |
| 2025-12-05 | 20:26:55.13 | +58:57:04.4 | 57.378 | 2.42 | 140.4 | HIP 100795 | 11.27 |
| 2025-12-06 | 20:26:59.91 | +58:56:19.7 | 57.386 | 2.42 | 139.3 | HIP 100795 | 12.22 |
| 2025-12-07 | 20:27:04.80 | +58:55:35.7 | 57.395 | 2.42 | 139.3 | HIP 100795 | 13.17 |