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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .237814142633016 2.3239e-07  
a 2.563058820647839 4.7448e-08 au
q 1.953527184697484 6.2688e-07 au
i 4.628785078005571 1.5357e-05 deg
node 130.184953604152 6.714e-05 deg
peri 159.162477873114 7.6936e-05 deg
M 68.06803266185496 1.982e-05 deg
tp 2458717.114917997574
(2019-Aug-21.61491800)
8.2459e-05 TDB
period 1498.774469179628
4.10
4.1618e-05
1.139e-07
d
yr
n .2401962452676754 6.6698e-09 deg/d
Q 3.172590456598194 5.8732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   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      .5138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:28  

Additional Information
 Earth MOID = .938085 au 
 Jupiter MOID = 2.02445 au 
 T_jup = 3.389 
[ 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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