A/2021 E4
Basic Information of A/2021 E4
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | A |
| Perihelion distance (AU) | 4.681371 |
| Eccentricity | 0.990758 |
| Inclination (deg) | 116.391900 |
| Longitude of ascending node (deg) | 171.132400 |
| Argument of perihelion (deg) | 48.297500 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPEC 2024-N80, MPC orbital elements |
| Period (years) | 11400.152066 |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2022-04-24T20:13:20.640 |
| Period (years) | 11400.152066 |
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 | 23:13:44.56 | +31:35:08.0 | 9.903 | 14.83 | 195.2 | HIP 114838 | 25.48 |
| 2025-11-22 | 23:13:37.27 | +31:29:24.4 | 9.921 | 14.69 | 194.3 | HIP 114838 | 28.71 |
| 2025-11-23 | 23:13:30.45 | +31:23:42.8 | 9.939 | 14.55 | 193.5 | HIP 114838 | 32.61 |
| 2025-11-24 | 23:13:24.11 | +31:18:03.1 | 9.957 | 14.41 | 192.6 | HIP 114471 | 32.43 |
| 2025-11-25 | 23:13:18.24 | +31:12:25.7 | 9.975 | 14.27 | 191.7 | HIP 114471 | 30.11 |
| 2025-11-26 | 23:13:12.83 | +31:06:50.4 | 9.993 | 14.12 | 190.8 | HIP 114471 | 28.86 |
| 2025-11-27 | 23:13:07.90 | +31:01:17.4 | 10.012 | 13.98 | 189.9 | HIP 114471 | 28.80 |
| 2025-11-28 | 23:13:03.43 | +30:55:46.7 | 10.030 | 13.84 | 188.9 | HIP 114471 | 29.90 |
| 2025-11-29 | 23:12:59.42 | +30:50:18.5 | 10.049 | 13.70 | 188.0 | HIP 114483 | 29.41 |
| 2025-11-30 | 23:12:55.87 | +30:44:52.8 | 10.068 | 13.57 | 187.0 | HIP 114483 | 25.85 |
| 2025-12-01 | 23:12:52.78 | +30:39:29.6 | 10.087 | 13.43 | 186.1 | HIP 114483 | 23.16 |
| 2025-12-02 | 23:12:50.14 | +30:34:09.1 | 10.106 | 13.29 | 185.1 | HIP 114483 | 21.62 |
| 2025-12-03 | 23:12:47.95 | +30:28:51.3 | 10.126 | 13.16 | 184.1 | HIP 114483 | 21.45 |
| 2025-12-04 | 23:12:46.21 | +30:23:36.3 | 10.145 | 13.03 | 183.1 | HIP 114483 | 22.64 |
| 2025-12-05 | 23:12:44.92 | +30:18:24.0 | 10.165 | 12.90 | 182.0 | HIP 114483 | 24.95 |
| 2025-12-06 | 23:12:44.06 | +30:13:14.6 | 10.184 | 12.77 | 181.0 | HIP 114486 | 22.81 |
| 2025-12-07 | 23:12:43.65 | +30:08:08.2 | 10.204 | 12.77 | 181.0 | HIP 114486 | 20.84 |