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16722 (1995 WG7)
Classification: Main-belt Asteroid          SPK-ID: 2016722
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2269374339013254 7.6195e-08  
a 3.129712232360836 3.9075e-08 AU
q 2.419463369499279 2.3561e-07 AU
i 17.78919102915936 9.6747e-06 deg
node 245.8862752650917 2.6571e-05 deg
peri 118.1589565833995 3.512e-05 deg
M 148.8750273245954 2.2836e-05 deg
tp 2455964.176324770540
(2012-Feb-06.67632477)
0.00012061 JED
period 2022.344032395452
5.54
3.7874e-05
1.037e-07
d
yr
n .1780112553716108 3.3338e-09 deg/d
Q 3.839961095222393 4.7943e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      6679 days (18.29 yr)  
   first obs. used      1995-11-24  
   last obs. used      2014-03-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5304  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:38:50  

Additional Information
 Earth MOID = 1.4751 AU 
 T_jup = 3.101 
[ 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 13.0 mag n/a MPO250377  

16722 (1995 WG7)          Discovered 1995-Nov-24 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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