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JPL Small-Body Database Browser
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97191 (1999 WD16)
Classification: Main-belt Asteroid          SPK-ID: 2097191
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039556973412509 3.5587e-08  
a 2.649391110071417 1.5393e-08 au
q 2.373971809694233 9.9507e-08 au
i 2.001967832654445 4.9648e-06 deg
node 80.9284992494067 0.00014877 deg
peri 234.5524677391808 0.00015191 deg
M 264.4897185522055 3.2271e-05 deg
tp 2459018.393064040300
(2020-Jun-17.89306404)
0.00014211 TDB
period 1575.134119322416
4.31
1.3728e-05
3.759e-08
d
yr
n .2285519662000993 1.9919e-09 deg/d
Q 2.924810410448603 1.6994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      9544 days (26.13 yr)  
   first obs. used      1993-03-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:29:09  

Additional Information
 Earth MOID = 1.36006 au 
 Jupiter MOID = 2.30811 au 
 T_jup = 3.383 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO436448  

97191 (1999 WD16)          Discovered 1999-Nov-29 by Spacewatch at Kitt Peak
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

Alternate Designations
 1999 WD16 = 2002 JG105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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