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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2414186028491522 4.441e-07  
a 2.478398004948677 1.0288e-07 AU
q 1.880066621289842 1.027e-06 AU
i 4.024399327613004 1.8914e-05 deg
node 236.482167008984 0.00014392 deg
peri 116.4262767703538 0.00023559 deg
M .09450557723083958 0.00018162 deg
tp 2456800.125880847884
(2014-May-22.62588085)
0.00071897 JED
period 1425.131708711467
3.90
8.8739e-05
2.43e-07
d
yr
n .2526082310844757 1.5729e-08 deg/d
Q 3.076729388607514 1.2772e-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 = .877901 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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