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246909 (1998 QV4)
Classification: Main-belt Asteroid          SPK-ID: 2246909
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 .2086337383134625 3.1033e-07  
a 2.545670814507342 3.6694e-08 AU
q 2.014557995961198 8.1356e-07 AU
i 12.45877310184007 2.0091e-05 deg
node 308.1770507054917 3.2932e-05 deg
peri 353.0097244084611 4.8493e-05 deg
M 25.25126109928394 2.5087e-05 deg
tp 2456896.440349261883
(2014-Aug-26.94034926)
0.00010284 JED
period 1483.548648062753
4.06
3.2077e-05
8.782e-08
d
yr
n .2426614054551531 5.2467e-09 deg/d
Q 3.076783633053486 4.435e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      5969 days (16.34 yr)  
   first obs. used      1998-07-28  
   last obs. used      2014-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5125  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 10:24:20  

Additional Information
 Earth MOID = 1.00086 AU 
 T_jup = 3.380 
[ 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 16.3 mag n/a MPO258013  

246909 (1998 QV4)          Discovered 1998-Aug-22 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 1998 QV4 = 2002 PZ81 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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