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392491 (2011 KQ30)
Classification: Main-belt Asteroid          SPK-ID: 2392491
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715659023137052 5.5747e-08  
a 2.169222672104685 2.8381e-08 au
q 1.797058027045698 1.3061e-07 au
i 4.24779251988665 6.7856e-06 deg
node 32.57538808703816 7.9618e-05 deg
peri 238.1499174279774 8.9809e-05 deg
M 277.0154938942987 5.0458e-05 deg
tp 2459269.498056366645
(2021-Feb-23.99805637)
0.00016833 TDB
period 1166.956397482724
3.19
2.2902e-05
6.27e-08
d
yr
n .3084948167528508 6.0543e-09 deg/d
Q 2.541387317163672 3.325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      7302 days (19.99 yr)  
   first obs. used      2000-02-05  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .76934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:18  

Additional Information
 Earth MOID = .785503 au 
 Jupiter MOID = 2.55813 au 
 T_jup = 3.667 
[ 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 18.0   n/a MPO472030  

392491 (2011 KQ30)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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