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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2413310630193576 4.4384e-07  
a 2.478201647839799 1.0235e-07 AU
q 1.880134609790297 1.0264e-06 AU
i 4.024463624533814 1.8877e-05 deg
node 236.4812644789704 0.00014252 deg
peri 116.4347047512025 0.00023524 deg
M 50.6191688372377 0.00018462 deg
tp 2456800.137750919743
(2014-May-22.63775092)
0.00071857 JED
period 1424.962347778226
3.90
8.8273e-05
2.417e-07
d
yr
n .2526382543098806 1.565e-08 deg/d
Q 3.076268685889301 1.2705e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5891 days (16.13 yr)  
   first obs. used      1998-08-17  
   last obs. used      2014-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63181  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 20:32:48  

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 17.2 mag n/a MPO264619  

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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