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(2015 WZ12)
Classification: Aten [NEO]          SPK-ID: 3735598
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4123775659000253 3.0335e-05  
a .7219873484355533 1.6493e-05 au
q .4242559630770865 3.1593e-05 au
i 3.630703721744097 0.00047662 deg
node 251.4299702355618 0.0010339 deg
peri 346.0700977141503 0.00027569 deg
M 323.0447166031784 0.078488 deg
tp 2459023.502065947978
(2020-Jun-23.00206595)
0.049641 TDB
period 224.0746919014052
0.61
0.0076781
2.102e-05
d
yr
n 1.606607140436918 5.5052e-05 deg/d
Q 1.01971873379402 2.3294e-05 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      6 days  
   first obs. used      2015-11-30  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38023  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:24  

Additional Information
 Earth MOID = .00452025 au 
 Jupiter MOID = 3.98232 au 
 T_jup = 7.884 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.3   n/a MPO386948  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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