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C/2009 A9 (STEREO)

Basic Information of C/2009 A9 (STEREO)

Orbital Elements

Parameter Value
Orbit type C
Perihelion distance (AU) 0.004652
Eccentricity 1.000000
Inclination (deg) 145.226200
Longitude of ascending node (deg) 4.533700
Argument of perihelion (deg) 79.009600
Epoch 2009-01-11T14:22:16.320
Reference , MPC orbital elements

Latest Perihelion

Field Value
Date (UTC) 2009-01-11T14:22:16.320

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 07:09:56.00 -12:13:31.6 36.416 3.17 243.7 HIP 34504 15.62
2025-11-22 07:09:51.34 -12:14:05.3 36.408 3.21 244.7 HIP 34504 14.35
2025-11-23 07:09:46.60 -12:14:38.2 36.401 3.24 245.6 HIP 34504 13.08
2025-11-24 07:09:41.77 -12:15:10.3 36.394 3.27 246.5 HIP 34504 11.78
2025-11-25 07:09:36.85 -12:15:41.6 36.388 3.30 247.4 HIP 34504 10.48
2025-11-26 07:09:31.86 -12:16:12.1 36.381 3.34 248.3 HIP 34504 9.16
2025-11-27 07:09:26.78 -12:16:41.7 36.375 3.37 249.2 HIP 34504 7.83
2025-11-28 07:09:21.63 -12:17:10.5 36.369 3.40 250.0 HIP 34504 6.48
2025-11-29 07:09:16.39 -12:17:38.4 36.363 3.43 250.8 HIP 34504 5.12
2025-11-30 07:09:11.08 -12:18:05.4 36.357 3.46 251.6 HIP 34504 3.75
2025-12-01 07:09:05.70 -12:18:31.6 36.351 3.49 252.4 HIP 34504 2.37
2025-12-02 07:09:00.25 -12:18:56.9 36.346 3.52 253.2 HIP 34504 0.97
2025-12-03 07:08:54.72 -12:19:21.3 36.341 3.55 254.0 HIP 34504 0.45
2025-12-04 07:08:49.13 -12:19:44.8 36.336 3.58 254.8 HIP 34504 1.86
2025-12-05 07:08:43.47 -12:20:07.4 36.331 3.61 255.5 HIP 34504 3.30
2025-12-06 07:08:37.75 -12:20:29.1 36.326 3.64 256.2 HIP 34504 4.74
2025-12-07 07:08:31.96 -12:20:49.8 36.322 3.64 256.2 HIP 34504 6.19