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C/2021 A7 (NEOWISE)

Basic Information of C/2021 A7 (NEOWISE)

Orbital Elements

Parameter Value
Orbit type C
Perihelion distance (AU) 1.965721
Eccentricity 0.999009
Inclination (deg) 78.235900
Longitude of ascending node (deg) 154.380400
Argument of perihelion (deg) 356.015300
Epoch 2025-11-21T00:00:00.000
Reference MPEC 2022-M88, MPC orbital elements
Period (years) 88343.038861

Latest Perihelion

Field Value
Date (UTC) 2021-07-15T04:38:21.120
Period (years) 88343.038861

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 20:12:40.98 +28:49:07.6 13.408 10.11 139.5 HIP 99524 20.53
2025-11-22 20:12:52.97 +28:46:03.2 13.426 10.12 138.4 HIP 99738 18.40
2025-11-23 20:13:05.22 +28:43:01.5 13.443 10.13 137.4 HIP 99738 15.25
2025-11-24 20:13:17.73 +28:40:02.6 13.461 10.15 136.4 HIP 99738 12.56
2025-11-25 20:13:30.49 +28:37:06.3 13.478 10.16 135.3 HIP 99738 10.69
2025-11-26 20:13:43.51 +28:34:12.9 13.496 10.17 134.3 HIP 99738 10.11
2025-11-27 20:13:56.76 +28:31:22.3 13.513 10.19 133.3 HIP 99738 11.03
2025-11-28 20:14:10.26 +28:28:34.5 13.530 10.21 132.3 HIP 99738 13.15
2025-11-29 20:14:23.99 +28:25:49.6 13.547 10.22 131.3 HIP 99738 16.00
2025-11-30 20:14:37.95 +28:23:07.5 13.564 10.24 130.3 HIP 99738 19.27
2025-12-01 20:14:52.14 +28:20:28.4 13.582 10.26 129.4 HIP 99738 22.77
2025-12-02 20:15:06.55 +28:17:52.2 13.599 10.28 128.4 HIP 99942 24.49
2025-12-03 20:15:21.18 +28:15:19.0 13.616 10.30 127.4 HIP 99942 23.54
2025-12-04 20:15:36.03 +28:12:48.7 13.632 10.32 126.5 HIP 99942 23.22
2025-12-05 20:15:51.08 +28:10:21.4 13.649 10.34 125.6 HIP 99874 21.53
2025-12-06 20:16:06.34 +28:07:57.1 13.666 10.36 124.6 HIP 100020 19.60
2025-12-07 20:16:21.80 +28:05:35.8 13.683 10.36 124.6 HIP 100020 16.19