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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2409623239954108 3.8604e-07  
a 2.480626857450978 9.341e-08 au
q 1.882889244914157 8.8833e-07 au
i 4.027442175054273 1.3981e-05 deg
node 236.2298221894625 7.9819e-05 deg
peri 117.0898144001146 0.00018343 deg
M 201.5332725733977 0.00017532 deg
tp 2458228.668533103958
(2018-Apr-20.16853310)
0.00073008 JED
period 1427.054597452752
3.91
8.0606e-05
2.207e-07
d
yr
n .2522678534112071 1.4249e-08 deg/d
Q 3.078364469987798 1.1592e-07 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      5994 days (16.41 yr)  
   first obs. used      1998-08-17  
   last obs. used      2015-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57276  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 20:54:33  

Additional Information
 Earth MOID = .881144 au 
 Jupiter MOID = 2.37827 au 
 T_jup = 3.435 
[ 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
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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