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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2085473010753957 2.5787e-07  
a 2.544926339982704 3.199e-08 au
q 2.014188820343626 6.7513e-07 au
i 12.45882679220247 1.9232e-05 deg
node 308.1728911499856 3.2811e-05 deg
peri 352.9131981011961 4.5947e-05 deg
M 171.0081516526856 2.5935e-05 deg
tp 2456896.089916691640
(2014-Aug-26.58991669)
0.0001012 JED
period 1482.897905978431
4.06
2.7961e-05
7.655e-08
d
yr
n .242767892886374 4.5775e-09 deg/d
Q 3.075663859621781 3.8662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      6351 days (17.39 yr)  
   first obs. used      1998-07-28  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51026  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 21:45:46  

Additional Information
 Earth MOID = .999023 au 
 Jupiter MOID = 2.17034 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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