C/1999 A1 (Tilbrook)
Basic Information of C/1999 A1 (Tilbrook)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 0.744152 |
| Eccentricity | 0.995904 |
| Inclination (deg) | 89.524200 |
| Longitude of ascending node (deg) | 259.111100 |
| Argument of perihelion (deg) | 233.004900 |
| Epoch | 2023-02-25T00:00:00.000 |
| Reference | , MPC orbital elements |
| Period (years) | 2448.795723 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 1999-01-14T19:55:20.640 |
| Period (years) | 2448.795723 |
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 | 17:24:25.56 | +15:55:02.2 | 48.974 | 2.94 | 105.3 | HIP 85187 | 18.78 |
| 2025-11-22 | 17:24:30.29 | +15:54:43.5 | 48.982 | 2.95 | 104.7 | HIP 85187 | 18.38 |
| 2025-11-23 | 17:24:35.04 | +15:54:25.6 | 48.989 | 2.96 | 104.0 | HIP 85187 | 18.07 |
| 2025-11-24 | 17:24:39.82 | +15:54:08.4 | 48.996 | 2.97 | 103.3 | HIP 85187 | 17.84 |
| 2025-11-25 | 17:24:44.63 | +15:53:51.9 | 49.003 | 2.98 | 102.7 | HIP 85187 | 17.70 |
| 2025-11-26 | 17:24:49.47 | +15:53:36.1 | 49.010 | 2.99 | 102.1 | HIP 85187 | 17.65 |
| 2025-11-27 | 17:24:54.34 | +15:53:21.2 | 49.017 | 3.00 | 101.4 | HIP 85187 | 17.70 |
| 2025-11-28 | 17:24:59.23 | +15:53:06.9 | 49.023 | 3.01 | 100.8 | HIP 85187 | 17.84 |
| 2025-11-29 | 17:25:04.14 | +15:52:53.4 | 49.029 | 3.01 | 100.1 | HIP 85187 | 18.07 |
| 2025-11-30 | 17:25:09.07 | +15:52:40.7 | 49.035 | 3.02 | 99.5 | HIP 85187 | 18.39 |
| 2025-12-01 | 17:25:14.03 | +15:52:28.8 | 49.041 | 3.03 | 98.9 | HIP 85187 | 18.80 |
| 2025-12-02 | 17:25:19.00 | +15:52:17.6 | 49.046 | 3.03 | 98.2 | HIP 85187 | 19.29 |
| 2025-12-03 | 17:25:23.99 | +15:52:07.1 | 49.052 | 3.04 | 97.6 | HIP 85271 | 19.17 |
| 2025-12-04 | 17:25:29.00 | +15:51:57.5 | 49.057 | 3.04 | 97.0 | HIP 85271 | 19.03 |
| 2025-12-05 | 17:25:34.02 | +15:51:48.6 | 49.061 | 3.05 | 96.4 | HIP 85271 | 18.99 |
| 2025-12-06 | 17:25:39.05 | +15:51:40.5 | 49.066 | 3.05 | 95.7 | HIP 85271 | 19.03 |
| 2025-12-07 | 17:25:44.10 | +15:51:33.2 | 49.070 | 3.05 | 95.7 | HIP 85271 | 19.16 |