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5098 (1985 CH2)
Classification: Main-belt Asteroid          SPK-ID: 2005098
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07321547098146536 5.5976e-08  
a 2.570712612237109 1.7056e-08 AU
q 2.382496677574176 1.457e-07 AU
i 9.644567552510393 7.5276e-06 deg
node 153.2365154622299 3.2897e-05 deg
peri 326.4683876189164 6.9869e-05 deg
M 54.00202769236127 5.8252e-05 deg
tp 2456574.667581409617
(2013-Oct-09.16758141)
0.0002442 JED
period 1505.492926222802
4.12
1.4983e-05
4.102e-08
d
yr
n .2391243384339373 2.3798e-09 deg/d
Q 2.758928546900042 1.8305e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      12662 days (34.67 yr)  
   first obs. used      1979-10-21  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52425  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:11:03  

Additional Information
 Earth MOID = 1.40354 AU 
 T_jup = 3.406 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO256901  

5098 (1985 CH2)          Discovered 1985-Feb-14 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 CH2 = 1979 UN1 = 1981 EJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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