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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2086377293609564 3.799e-07  
a 2.545696571533674 4.6275e-08 AU
q 2.014568219206916 9.9923e-07 AU
i 12.45868557572676 2.0524e-05 deg
node 308.1775720565755 3.3416e-05 deg
peri 353.0292736027464 4.9658e-05 deg
M 336.7065269248336 2.5274e-05 deg
tp 2456896.493124891187
(2014-Aug-26.99312489)
0.00010491 JED
period 1483.571163875499
4.06
4.0452e-05
1.108e-07
d
yr
n .2426577226397284 6.6165e-09 deg/d
Q 3.076824923860431 5.593e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      5807 days (15.90 yr)  
   first obs. used      1998-07-28  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51251  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 16:47:23  

Additional Information
 Earth MOID = .998939 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 (327)
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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