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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .178991314254916 5.8801e-08  
a 2.775368318182895 2.7261e-08 AU
q 2.278601495369883 1.7565e-07 AU
i 7.487800975203706 6.6295e-06 deg
node 194.4454672336973 4.4134e-05 deg
peri 61.29401052690611 4.835e-05 deg
M 51.93051697275194 2.4442e-05 deg
tp 2456756.887531930301
(2014-Apr-09.38753193)
0.00011256 JED
period 1688.8044567534
4.62
2.4882e-05
6.812e-08
d
yr
n .2131685516108081 3.1407e-09 deg/d
Q 3.272135140995907 3.214e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1141  
   data-arc span      22268 days (60.97 yr)  
   first obs. used      1953-04-15  
   last obs. used      2014-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50729  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:10:15  

Additional Information
 Earth MOID = 1.27727 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 13.0 mag n/a MPO263395  
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 (675)
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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