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JPL Small-Body Database Browser
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357019 (1999 WH16)
Classification: Main-belt Asteroid          SPK-ID: 2357019
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773754992716884 3.2401e-07  
a 2.552080310439508 7.9041e-08 au
q 2.099403791193855 8.8972e-07 au
i 3.451207972608917 1.3482e-05 deg
node 220.3143770208673 0.00022289 deg
peri 201.1125560642316 0.00033869 deg
M 267.5641569955356 0.0002517 deg
tp 2458982.864740919119
(2020-May-13.36474092)
0.0010586 TDB
period 1489.15509673271
4.08
6.9181e-05
1.894e-07
d
yr
n .2417478211570173 1.1231e-08 deg/d
Q 3.004756829685161 9.3061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      7265 days (19.89 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:06:27  

Additional Information
 Earth MOID = 1.11229 au 
 Jupiter MOID = 2.32323 au 
 T_jup = 3.415 
[ 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 17.9   n/a MPO254886  

357019 (1999 WH16)          Discovered 1999-Nov-29 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 1999 WH16 = 1999 VZ227 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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