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251737 (1998 QK62)
Classification: Main-belt Asteroid          SPK-ID: 2251737
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .241331003192866 3.8965e-07  
a 2.478201643229041 9.8683e-08 AU
q 1.880134754554368 8.9253e-07 AU
i 4.024463936780764 1.4366e-05 deg
node 236.4812752001514 8.2208e-05 deg
peri 116.4346741777908 0.00018892 deg
M 50.61918569869302 0.00017096 deg
tp 2456800.137684737414
(2014-May-22.63768474)
0.00066486 JED
period 1424.962343801458
3.90
8.5114e-05
2.33e-07
d
yr
n .2526382550149405 1.509e-08 deg/d
Q 3.076268531903714 1.225e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      5972 days (16.35 yr)  
   first obs. used      1998-08-17  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56492  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 10:30:47  

Additional Information
 Earth MOID = .879562 AU 
 T_jup = 3.436 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3 mag n/a MPO321284  

251737 (1998 QK62)          Discovered 1998-Aug-26 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20101128/Numbers.arcLast Updated: 2010-12-06

[ show close-approach data ]
Alternate Designations
 1998 QK62 = 2002 RR109 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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