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442256 (2011 PQ7)
Classification: Main-belt Asteroid          SPK-ID: 2442256
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2667120382004082 4.7473e-07  
a 2.567047733877863 8.6556e-08 au
q 1.882385200617559 1.2789e-06 au
i 14.76962678211734 1.9779e-05 deg
node 161.2278161333 1.8748e-05 deg
peri 186.3797401926568 0.00014126 deg
M 44.11036153931045 8.9384e-05 deg
tp 2458816.428114871552
(2019-Nov-28.92811487)
0.00036853 TDB
period 1502.27466594637
4.11
7.5981e-05
2.08e-07
d
yr
n .239636604517467 1.212e-08 deg/d
Q 3.251710267138167 1.0964e-07 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      4393 days (12.03 yr)  
   first obs. used      2003-09-28  
   last obs. used      2015-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57298  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:30:25  

Additional Information
 Earth MOID = .875989 au 
 Jupiter MOID = 2.17749 au 
 T_jup = 3.336 
[ 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 18.3   n/a MPO343007  

442256 (2011 PQ7)          Discovered 2007-Oct-11 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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