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JPL Small-Body Database Browser
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442944 (2013 CQ87)
Classification: Main-belt Asteroid          SPK-ID: 2442944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303549600832927 5.181e-08  
a 3.178962978333832 7.2689e-08 au
q 2.76456938618686 1.6899e-07 au
i 10.64014500573592 9.1387e-06 deg
node 181.1290225363396 3.5573e-05 deg
peri 69.35540092116953 5.5128e-05 deg
M 16.45166063376974 4.0683e-05 deg
tp 2458905.890690308046
(2020-Feb-26.39069031)
0.00023295 TDB
period 2070.26829979649
5.67
7.1007e-05
1.944e-07
d
yr
n .1738905049337753 5.9642e-09 deg/d
Q 3.593356570480804 8.2165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      6227 days (17.05 yr)  
   first obs. used      2002-03-18  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:01:57  

Additional Information
 Earth MOID = 1.77433 au 
 Jupiter MOID = 1.51269 au 
 T_jup = 3.160 
[ 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 16.5   n/a MPO472465  

442944 (2013 CQ87)          Discovered 2009-Aug-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 CQ87 = 2009 PN13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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