C/1992 A1 (Helin-Alu)
Basic Information of C/1992 A1 (Helin-Alu)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 3.047340 |
| Eccentricity | 0.999871 |
| Inclination (deg) | 39.185900 |
| Longitude of ascending node (deg) | 288.551400 |
| Argument of perihelion (deg) | 240.122100 |
| Epoch | 2023-02-25T00:00:00.000 |
| Reference | , MPC orbital elements |
| Period (years) | 3630753.820820 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 1992-06-12T08:42:43.200 |
| Period (years) | 3630753.820820 |
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 | 20:43:58.51 | +02:41:28.3 | 55.671 | 1.16 | 118.7 | HIP 102221 | 25.87 |
| 2025-11-22 | 20:44:00.15 | +02:41:14.9 | 55.690 | 1.19 | 117.1 | HIP 102221 | 26.31 |
| 2025-11-23 | 20:44:01.84 | +02:41:01.9 | 55.709 | 1.22 | 115.5 | HIP 102221 | 26.77 |
| 2025-11-24 | 20:44:03.61 | +02:40:49.3 | 55.728 | 1.25 | 113.9 | HIP 102221 | 27.23 |
| 2025-11-25 | 20:44:05.44 | +02:40:37.1 | 55.746 | 1.28 | 112.5 | HIP 102221 | 27.70 |
| 2025-11-26 | 20:44:07.34 | +02:40:25.4 | 55.765 | 1.31 | 111.1 | HIP 102221 | 28.18 |
| 2025-11-27 | 20:44:09.30 | +02:40:14.0 | 55.783 | 1.34 | 109.8 | HIP 102479 | 28.10 |
| 2025-11-28 | 20:44:11.32 | +02:40:03.1 | 55.802 | 1.37 | 108.5 | HIP 102479 | 27.63 |
| 2025-11-29 | 20:44:13.41 | +02:39:52.7 | 55.820 | 1.41 | 107.3 | HIP 102479 | 27.15 |
| 2025-11-30 | 20:44:15.56 | +02:39:42.6 | 55.838 | 1.44 | 106.1 | HIP 102479 | 26.65 |
| 2025-12-01 | 20:44:17.77 | +02:39:33.1 | 55.856 | 1.47 | 105.0 | HIP 102479 | 26.13 |
| 2025-12-02 | 20:44:20.04 | +02:39:23.9 | 55.874 | 1.50 | 104.0 | HIP 102479 | 25.61 |
| 2025-12-03 | 20:44:22.37 | +02:39:15.2 | 55.892 | 1.53 | 103.0 | HIP 102479 | 25.06 |
| 2025-12-04 | 20:44:24.76 | +02:39:07.0 | 55.910 | 1.56 | 102.0 | HIP 102479 | 24.51 |
| 2025-12-05 | 20:44:27.21 | +02:38:59.2 | 55.927 | 1.60 | 101.1 | HIP 102479 | 23.94 |
| 2025-12-06 | 20:44:29.72 | +02:38:51.8 | 55.945 | 1.63 | 100.2 | HIP 102479 | 23.36 |
| 2025-12-07 | 20:44:32.29 | +02:38:44.9 | 55.962 | 1.63 | 100.2 | HIP 102479 | 22.77 |