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234117 (1999 WZ12)
Classification: Main-belt Asteroid          SPK-ID: 2234117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1919350035863461 7.0814e-08  
a 2.764513551977881 2.0476e-08 au
q 2.233906633464504 1.9135e-07 au
i 12.21009218576306 9.576e-06 deg
node 320.5060859689858 2.7917e-05 deg
peri 157.4544202038849 3.8794e-05 deg
M 169.3945604500379 2.3862e-05 deg
tp 2458410.506584986401
(2018-Oct-19.00658499)
0.00010822 TDB
period 1678.90650472674
4.60
1.8653e-05
5.107e-08
d
yr
n .2144252815665836 2.3823e-09 deg/d
Q 3.295120470491258 2.4406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7131 days (19.52 yr)  
   first obs. used      1999-11-26  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5746  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:06:10  

Additional Information
 Earth MOID = 1.25447 au 
 Jupiter MOID = 1.80075 au 
 T_jup = 3.281 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.84   n/a MPCxxxxx  

234117 (1999 WZ12)          Discovered 1999-Nov-26 by Sarounova, L. at Ondrejov
Reference: 20100330/Numbers.arcLast Updated: 2010-04-05

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