C/1987 U3 (McNaught)
Basic Information of C/1987 U3 (McNaught)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 0.852812 |
| Eccentricity | 0.998138 |
| Inclination (deg) | 97.037800 |
| Longitude of ascending node (deg) | 261.351200 |
| Argument of perihelion (deg) | 17.405100 |
| Epoch | 2023-02-25T00:00:00.000 |
| Reference | , MPC orbital elements |
| Period (years) | 9801.903874 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 1987-12-25T16:26:15.360 |
| Period (years) | 9801.903874 |
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 | 05:22:49.90 | +18:45:41.2 | 60.793 | 2.30 | 263.3 | HIP 25154 | 8.54 |
| 2025-11-22 | 05:22:46.04 | +18:45:34.8 | 60.790 | 2.32 | 263.4 | HIP 25154 | 8.93 |
| 2025-11-23 | 05:22:42.14 | +18:45:28.4 | 60.787 | 2.33 | 263.5 | HIP 25154 | 9.40 |
| 2025-11-24 | 05:22:38.22 | +18:45:22.0 | 60.784 | 2.35 | 263.6 | HIP 25154 | 9.93 |
| 2025-11-25 | 05:22:34.28 | +18:45:15.8 | 60.782 | 2.36 | 263.7 | HIP 25154 | 10.52 |
| 2025-11-26 | 05:22:30.31 | +18:45:09.5 | 60.779 | 2.38 | 263.8 | HIP 25154 | 11.16 |
| 2025-11-27 | 05:22:26.32 | +18:45:03.3 | 60.778 | 2.39 | 263.9 | HIP 25154 | 11.85 |
| 2025-11-28 | 05:22:22.31 | +18:44:57.2 | 60.776 | 2.40 | 263.9 | HIP 25154 | 12.57 |
| 2025-11-29 | 05:22:18.28 | +18:44:51.1 | 60.775 | 2.41 | 264.0 | HIP 25035 | 13.18 |
| 2025-11-30 | 05:22:14.23 | +18:44:45.1 | 60.774 | 2.42 | 264.1 | HIP 25035 | 12.62 |
| 2025-12-01 | 05:22:10.16 | +18:44:39.1 | 60.773 | 2.43 | 264.2 | HIP 25035 | 12.10 |
| 2025-12-02 | 05:22:06.08 | +18:44:33.2 | 60.772 | 2.44 | 264.3 | HIP 25035 | 11.64 |
| 2025-12-03 | 05:22:01.99 | +18:44:27.3 | 60.772 | 2.44 | 264.3 | HIP 25035 | 11.24 |
| 2025-12-04 | 05:21:57.88 | +18:44:21.5 | 60.772 | 2.45 | 264.4 | HIP 25035 | 10.91 |
| 2025-12-05 | 05:21:53.76 | +18:44:15.8 | 60.773 | 2.46 | 264.5 | HIP 25035 | 10.66 |
| 2025-12-06 | 05:21:49.63 | +18:44:10.1 | 60.774 | 2.46 | 264.6 | HIP 25035 | 10.50 |
| 2025-12-07 | 05:21:45.49 | +18:44:04.5 | 60.775 | 2.46 | 264.6 | HIP 25035 | 10.42 |