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C/2013 A1 (Siding Spring)

Basic Information of C/2013 A1 (Siding Spring)

Orbital Elements

Parameter Value
Orbit type C
Perihelion distance (AU) 1.401626
Eccentricity 1.000114
Inclination (deg) 128.765000
Longitude of ascending node (deg) 301.196500
Argument of perihelion (deg) 2.571500
Epoch 2025-11-21T00:00:00.000
Reference MPC103843, MPC orbital elements

Latest Perihelion

Field Value
Date (UTC) 2014-10-26T14:21:41.760

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 09:52:45.28 +32:41:07.9 26.429 2.02 339.2 HIP 48464 5.13
2025-11-22 09:52:43.91 +32:41:53.3 26.417 2.09 337.1 HIP 48464 4.57
2025-11-23 09:52:42.37 +32:42:39.5 26.406 2.15 335.1 HIP 48464 4.11
2025-11-24 09:52:40.64 +32:43:26.3 26.394 2.22 333.2 HIP 48464 3.80
2025-11-25 09:52:38.74 +32:44:13.9 26.383 2.29 331.5 HIP 48464 3.70
2025-11-26 09:52:36.66 +32:45:02.2 26.371 2.36 329.8 HIP 48464 3.84
2025-11-27 09:52:34.40 +32:45:51.2 26.360 2.43 328.2 HIP 48464 4.23
2025-11-28 09:52:31.96 +32:46:40.8 26.349 2.51 326.7 HIP 48464 4.80
2025-11-29 09:52:29.35 +32:47:31.1 26.338 2.58 325.3 HIP 48464 5.53
2025-11-30 09:52:26.55 +32:48:22.0 26.327 2.65 324.0 HIP 48464 6.38
2025-12-01 09:52:23.58 +32:49:13.5 26.316 2.73 322.7 HIP 48464 7.31
2025-12-02 09:52:20.44 +32:50:05.6 26.305 2.80 321.5 HIP 48464 8.30
2025-12-03 09:52:17.11 +32:50:58.2 26.294 2.88 320.4 HIP 48464 9.36
2025-12-04 09:52:13.62 +32:51:51.4 26.283 2.95 319.3 HIP 48464 10.46
2025-12-05 09:52:09.94 +32:52:45.2 26.273 3.03 318.2 HIP 48464 11.61
2025-12-06 09:52:06.10 +32:53:39.4 26.262 3.11 317.3 HIP 48464 12.80
2025-12-07 09:52:02.08 +32:54:34.2 26.252 3.11 317.3 HIP 48464 14.03