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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2414185082339298 4.5669e-07  
a 2.478397991803037 1.0385e-07 AU
q 1.88006684581198 1.0579e-06 AU
i 4.024412748307436 1.9721e-05 deg
node 236.4822040820112 0.00015438 deg
peri 116.4262187703337 0.00024282 deg
M .09452991108137265 0.00018298 deg
tp 2456800.125784520467
(2014-May-22.62578452)
0.00072433 JED
period 1425.131697372932
3.90
8.9571e-05
2.452e-07
d
yr
n .25260823309426 1.5877e-08 deg/d
Q 3.076729137794094 1.2892e-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      .63545  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-09 10:47:06  

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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