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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .266906761446132 4.7422e-07  
a 2.567794195169553 8.8092e-08 au
q 1.88243256247667 1.279e-06 au
i 14.76769214550548 1.9774e-05 deg
node 161.2410452921321 1.8753e-05 deg
peri 186.3103289877251 0.00014115 deg
M 308.3137775403721 8.6951e-05 deg
tp 2458816.279924940209
(2019-Nov-28.77992494)
0.00036809 TDB
period 1502.929974020674
4.11
7.734e-05
2.117e-07
d
yr
n .239532118077943 1.2326e-08 deg/d
Q 3.253155827862435 1.116e-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 = .8751 au 
 Jupiter MOID = 2.17234 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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