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5243 Clasien (1246 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2005243
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792041926580547 4.9334e-08  
a 2.774687539510636 2.1298e-08 au
q 2.277451899114268 1.4246e-07 au
i 7.489324246232983 6.363e-06 deg
node 194.4441376683981 3.8047e-05 deg
peri 61.2216331349282 4.2311e-05 deg
M 137.2708093477704 2.2418e-05 deg
tp 2456756.782603429715
(2014-Apr-09.28260343)
0.00010101 JED
period 1688.183116763029
4.62
1.9437e-05
5.322e-08
d
yr
n .2132470088258402 2.4553e-09 deg/d
Q 3.271923179907004 2.5115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      22885 days (62.66 yr)  
   first obs. used      1953-04-15  
   last obs. used      2015-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50838  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:55:30  

Additional Information
 Earth MOID = 1.27343 au 
 Jupiter MOID = 1.80258 au 
 T_jup = 3.300 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO347565  
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5243 Clasien (1246 T-2)          Discovered 1973-Sep-29 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1246 T-2 = 1972 HY = 1981 GT 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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