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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .241331054688761 4.4418e-07  
a 2.478201648136212 1.0254e-07 AU
q 1.880134630660074 1.0273e-06 AU
i 4.024464087317539 1.8914e-05 deg
node 236.4812571495156 0.00014391 deg
peri 116.4347099484391 0.00023563 deg
M 50.61917026219956 0.00018476 deg
tp 2456800.137745243470
(2014-May-22.63774524)
0.00071911 JED
period 1424.962348033882
3.90
8.8444e-05
2.421e-07
d
yr
n .2526382542645542 1.5681e-08 deg/d
Q 3.076268665612349 1.2729e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      5382 days (14.74 yr)  
   first obs. used      1998-08-17  
   last obs. used      2013-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63509  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 04:50:12  

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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