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JPL Small-Body Database Browser
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442245 (2011 OA4)
Classification: Main-belt Asteroid          SPK-ID: 2442245
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .238166469649242 2.4709e-07  
a 2.564020416023973 4.8789e-08 au
q 1.953356725430962 6.653e-07 au
i 4.627881374665259 1.8205e-05 deg
node 130.1924757684355 6.7675e-05 deg
peri 159.1961089892156 7.771e-05 deg
M 331.9783053130831 2.0433e-05 deg
tp 2458717.227327232213
(2019-Aug-21.72732723)
8.4815e-05 TDB
period 1499.618002162323
4.11
4.2803e-05
1.172e-07
d
yr
n .2400611352230436 6.852e-09 deg/d
Q 3.174684106616983 6.0409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      5761 days (15.77 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48783  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:53  

Additional Information
 Earth MOID = .937249 au 
 Jupiter MOID = 2.02091 au 
 T_jup = 3.388 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO437720  

442245 (2011 OA4)          Discovered 2006-Feb-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 OA4 = 2006 DO76 = 2007 PQ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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