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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07313098655248756 5.6003e-08  
a 2.570780112807908 1.6954e-08 AU
q 2.38277642694875 1.457e-07 AU
i 9.644494959280536 7.5275e-06 deg
node 153.2353552321207 3.2885e-05 deg
peri 326.5050748453588 6.9927e-05 deg
M 101.8003002348538 5.8198e-05 deg
tp 2456574.762032610342
(2013-Oct-09.26203261)
0.00024449 JED
period 1505.552222406932
4.12
1.4893e-05
4.077e-08
d
yr
n .2391149205203036 2.3653e-09 deg/d
Q 2.758783798667065 1.8193e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1126  
   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      .52336  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:03:03  

Additional Information
 Earth MOID = 1.40405 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 13.4 mag n/a MPO298998  

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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