C/1987 U4 (SMM)
Basic Information of C/1987 U4 (SMM)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 0.006270 |
| Eccentricity | 1.000000 |
| Inclination (deg) | 144.466500 |
| Longitude of ascending node (deg) | 3.659800 |
| Argument of perihelion (deg) | 82.631600 |
| Epoch | 1987-10-18T00:38:52.800 |
| Reference | , MPC orbital elements |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 1987-10-18T00:38:52.800 |
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 | 06:49:29.27 | -12:38:30.1 | 63.010 | 1.95 | 246.0 | HIP 32696 | 3.63 |
| 2025-11-22 | 06:49:26.36 | -12:38:49.2 | 63.003 | 1.96 | 246.8 | HIP 32696 | 2.85 |
| 2025-11-23 | 06:49:23.39 | -12:39:07.7 | 62.996 | 1.98 | 247.7 | HIP 32696 | 2.07 |
| 2025-11-24 | 06:49:20.39 | -12:39:25.8 | 62.989 | 2.00 | 248.5 | HIP 32696 | 1.28 |
| 2025-11-25 | 06:49:17.34 | -12:39:43.4 | 62.983 | 2.02 | 249.3 | HIP 32696 | 0.50 |
| 2025-11-26 | 06:49:14.25 | -12:40:00.4 | 62.977 | 2.03 | 250.1 | HIP 32696 | 0.40 |
| 2025-11-27 | 06:49:11.11 | -12:40:17.0 | 62.971 | 2.05 | 250.9 | HIP 32696 | 1.18 |
| 2025-11-28 | 06:49:07.94 | -12:40:33.1 | 62.965 | 2.07 | 251.7 | HIP 32696 | 1.99 |
| 2025-11-29 | 06:49:04.72 | -12:40:48.7 | 62.959 | 2.08 | 252.5 | HIP 32696 | 2.82 |
| 2025-11-30 | 06:49:01.47 | -12:41:03.7 | 62.954 | 2.10 | 253.2 | HIP 32696 | 3.65 |
| 2025-12-01 | 06:48:58.17 | -12:41:18.2 | 62.948 | 2.11 | 254.0 | HIP 32696 | 4.49 |
| 2025-12-02 | 06:48:54.84 | -12:41:32.2 | 62.943 | 2.13 | 254.7 | HIP 32696 | 5.33 |
| 2025-12-03 | 06:48:51.48 | -12:41:45.7 | 62.938 | 2.14 | 255.4 | HIP 32696 | 6.18 |
| 2025-12-04 | 06:48:48.08 | -12:41:58.6 | 62.934 | 2.16 | 256.1 | HIP 32696 | 7.04 |
| 2025-12-05 | 06:48:44.65 | -12:42:11.0 | 62.929 | 2.17 | 256.8 | HIP 32696 | 7.90 |
| 2025-12-06 | 06:48:41.18 | -12:42:22.8 | 62.925 | 2.18 | 257.5 | HIP 32637 | 8.73 |
| 2025-12-07 | 06:48:37.68 | -12:42:34.1 | 62.921 | 2.18 | 257.5 | HIP 32637 | 8.26 |