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(2016 WD15)
Classification: Main-belt Asteroid          SPK-ID: 3765094
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1890286419168661 4.6857e-07  
a 2.579213930719025 4.749e-08 au
q 2.091668624182145 1.2261e-06 au
i 2.640302333756789 1.3628e-05 deg
node 19.15443402134375 0.00019518 deg
peri 12.38539146726925 0.00020006 deg
M 323.8328216015706 2.5522e-05 deg
tp 2459152.499305355907
(2020-Oct-29.99930536)
0.00010927 TDB
period 1512.967069902882
4.14
4.1787e-05
1.144e-07
d
yr
n .2379430505537101 6.5718e-09 deg/d
Q 3.066759237255904 5.6467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      9654 days (26.43 yr)  
   first obs. used      1991-10-12  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57888  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-25 11:57:20  

Additional Information
 Earth MOID = 1.09747 au 
 Jupiter MOID = 2.37624 au 
 T_jup = 3.399 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO441097  

Alternate Designations
 2016 WD15 = 1991 TC17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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