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JPL Small-Body Database Browser
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212243 (2005 JQ57)
Classification: Main-belt Asteroid          SPK-ID: 2212243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120209387587079 5.8588e-08  
a 2.65015454307847 1.9586e-08 au
q 2.331581088443892 1.5631e-07 au
i 3.806430452989614 5.8167e-06 deg
node 241.8584050839918 8.1738e-05 deg
peri 113.0066250781842 8.4642e-05 deg
M 330.97596698908 2.1221e-05 deg
tp 2458727.545850841342
(2019-Sep-01.04585084)
9.2859e-05 TDB
period 1575.814990483061
4.31
1.7469e-05
4.783e-08
d
yr
n .2284532144789682 2.5326e-09 deg/d
Q 2.968727997713048 2.194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      6205 days (16.99 yr)  
   first obs. used      2002-10-31  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56085  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:45:07  

Additional Information
 Earth MOID = 1.32927 au 
 Jupiter MOID = 2.46808 au 
 T_jup = 3.377 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO450007  

212243 (2005 JQ57)          Discovered 2005-May-07 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 JQ57 = 2006 RJ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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