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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776048272923874 3.1273e-07  
a 2.552307492935448 7.5458e-08 au
q 2.099005361455582 8.5812e-07 au
i 3.451059119493789 1.3465e-05 deg
node 220.3131200314498 0.00021997 deg
peri 201.1299715856162 0.00032937 deg
M 4.262594316976074 0.00024432 deg
tp 2458982.865245385853
(2020-May-13.36524539)
0.00101 TDB
period 1489.353944805313
4.08
6.6048e-05
1.808e-07
d
yr
n .241715544686766 1.0719e-08 deg/d
Q 3.005609624415315 8.886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      7308 days (20.01 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6087  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:28:01  

Additional Information
 Earth MOID = 1.11224 au 
 Jupiter MOID = 2.32267 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 17.8   n/a MPO494857  

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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