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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2269373719888067 8.5275e-08  
a 3.12971224497875 4.2141e-08 AU
q 2.419463573022084 2.6481e-07 AU
i 17.78919264922466 1.0646e-05 deg
node 245.8862888674586 2.8376e-05 deg
peri 118.1589455275462 3.6814e-05 deg
M 148.8750276628715 2.4162e-05 deg
tp 2455964.176317812583
(2012-Feb-06.67631781)
0.0001274 JED
period 2022.344044625537
5.54
4.0845e-05
1.118e-07
d
yr
n .1780112542950914 3.5953e-09 deg/d
Q 3.839960916935415 5.1704e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      580  
   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      .54663  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:07:35  

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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