Typhon (42355 2002 CR46)

System parameters

Heliocentric orbitPhotometry Position 2015/05/10 04:30 UT
DES class = CENTAURR HV = 7.70±0.01 +13:09:40.13 -08:43:12.8
<a> = 37.82 (AU) V = 20.7 (V2 = 22.3) Uncertainty = 0.2 (arcsec)
<e> = 0.536 Δmag = 1.30 Rates: -4.434, +1.782 ("/hr)
<i> = 3.61 (degrees) B-V = 0.74±0.01  
Perihelion = 2006 V-R = 0.52±0.02 Opposition: April
Aphelion = 2124    

Astrometric observations

Observation time (UT)Observatory/InstrumentRADEC Δ (AU)Δx (arcsec) Δx errorΔy (arcsec) Δy error
2006/01/20  10.03626 HST/ACS-HRC +10:12:30.00 +12:09:08.8 16.67520 -0.08727 0.00290 -0.08172 0.00290
2006/02/14  13.25424 HST/ACS-HRC +10:08:42.27 +12:29:32.9 16.54295 +0.06642 0.00190 -0.15552 0.00190
2006/02/19  01.73622 HST/ACS-HRC +10:07:57.73 +12:33:26.5 16.53948 +0.13570 0.00190 -0.08515 0.00190
2006/11/05  01.64412 HST/ACS-HRC +10:35:21.60 +09:41:25.7 17.92010 -0.00355 0.00190 -0.13523 0.00190
2006/12/22  10.84926 HST/ACS-HRC +10:38:22.99 +09:23:36.3 17.13477 +0.10178 0.00190 +0.00323 0.00190
plus proprietary data                

Orbital knowledge

Comments: Orbit published here.
Parameter Value Units
P period18.982±0.001days
a semimajor axis1580±20kilometers
e eccentricity0.507±0.009dimensionless
i inclination42±2degrees
ε mean longitude at epoch11±1degrees
Ω longitude of ascending node254±2degrees
ϖ longitude of periapsis354±1degrees

Angles are referenced to J2000 equatorial coordinates.

Epoch = Julian date 2454000.0

2015/05/10 04:30


Last updated: 2015/05/10 04:30 UT