C/1999 E1 (Li)
Basic Information of C/1999 E1 (Li)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 3.911262 |
| Eccentricity | 0.760508 |
| Inclination (deg) | 46.777500 |
| Longitude of ascending node (deg) | 128.028800 |
| Argument of perihelion (deg) | 329.619000 |
| Epoch | 2023-02-25T00:00:00.000 |
| Reference | , MPC orbital elements |
| Period (years) | 65.999227 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 1999-01-16T00:08:38.400 |
| Period (years) | 65.999227 |
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 | 18:31:47.00 | +02:29:39.4 | 28.731 | 4.74 | 107.9 | HIP 90895 | 27.58 |
| 2025-11-22 | 18:31:54.24 | +02:29:04.5 | 28.742 | 4.78 | 107.3 | HIP 90895 | 27.54 |
| 2025-11-23 | 18:32:01.55 | +02:28:30.4 | 28.752 | 4.82 | 106.7 | HIP 90895 | 27.62 |
| 2025-11-24 | 18:32:08.95 | +02:27:57.2 | 28.762 | 4.86 | 106.1 | HIP 90895 | 27.81 |
| 2025-11-25 | 18:32:16.42 | +02:27:24.8 | 28.772 | 4.90 | 105.6 | HIP 90895 | 28.11 |
| 2025-11-26 | 18:32:23.98 | +02:26:53.3 | 28.782 | 4.93 | 105.0 | HIP 90895 | 28.53 |
| 2025-11-27 | 18:32:31.60 | +02:26:22.7 | 28.791 | 4.97 | 104.5 | HIP 91048 | 28.06 |
| 2025-11-28 | 18:32:39.31 | +02:25:52.9 | 28.800 | 5.00 | 103.9 | HIP 91048 | 26.26 |
| 2025-11-29 | 18:32:47.08 | +02:25:24.0 | 28.809 | 5.03 | 103.4 | HIP 91048 | 24.48 |
| 2025-11-30 | 18:32:54.92 | +02:24:56.0 | 28.818 | 5.07 | 102.9 | HIP 91048 | 22.71 |
| 2025-12-01 | 18:33:02.83 | +02:24:28.9 | 28.827 | 5.10 | 102.4 | HIP 91048 | 20.97 |
| 2025-12-02 | 18:33:10.80 | +02:24:02.7 | 28.835 | 5.13 | 101.9 | HIP 91048 | 19.26 |
| 2025-12-03 | 18:33:18.83 | +02:23:37.3 | 28.843 | 5.16 | 101.4 | HIP 91048 | 17.60 |
| 2025-12-04 | 18:33:26.93 | +02:23:12.9 | 28.851 | 5.19 | 100.9 | HIP 91048 | 16.01 |
| 2025-12-05 | 18:33:35.08 | +02:22:49.4 | 28.859 | 5.21 | 100.4 | HIP 91048 | 14.52 |
| 2025-12-06 | 18:33:43.29 | +02:22:26.7 | 28.866 | 5.24 | 100.0 | HIP 91048 | 13.16 |
| 2025-12-07 | 18:33:51.56 | +02:22:05.0 | 28.873 | 5.24 | 100.0 | HIP 91048 | 12.00 |