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442263 (2011 QN25)
Classification: Main-belt Asteroid          SPK-ID: 2442263
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871238856960067 1.7216e-07  
a 2.626365242213862 4.7343e-08 au
q 2.134909572833871 4.8117e-07 au
i 2.58910084040229 9.0333e-06 deg
node 8.109244655152263 0.00020197 deg
peri 333.2503210934558 0.00025962 deg
M 23.54423395755258 0.00011278 deg
tp 2458898.825235744841
(2020-Feb-19.32523574)
0.00048626 TDB
period 1554.644555344112
4.26
4.2036e-05
1.151e-07
d
yr
n .2315641853711802 6.2613e-09 deg/d
Q 3.117820911593854 5.6202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      7606 days (20.82 yr)  
   first obs. used      1994-10-12  
   last obs. used      2015-08-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58818  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:30:21  

Additional Information
 Earth MOID = 1.12707 au 
 Jupiter MOID = 2.28169 au 
 T_jup = 3.376 
[ 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 17.6   n/a MPO343010  

442263 (2011 QN25)          Discovered 2007-Oct-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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