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181655 (2007 VZ189)
Classification: Main-belt Asteroid          SPK-ID: 2181655
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2157437527073426 5.1299e-08  
a 2.364418514579377 1.5463e-08 au
q 1.854309991273302 1.2677e-07 au
i 4.227222717941549 3.9125e-06 deg
node 84.32496437044236 8.3171e-05 deg
peri 304.6707931982457 8.4008e-05 deg
M 180.1361059150458 1.5034e-05 deg
tp 2459663.977874941684
(2022-Mar-25.47787494)
6.0145e-05 TDB
period 1327.95987874137
3.64
1.3027e-05
3.567e-08
d
yr
n .2710925275402184 2.6595e-09 deg/d
Q 2.874527037885453 1.88e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      7055 days (19.32 yr)  
   first obs. used      2000-12-31  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61765  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:28:48  

Additional Information
 Earth MOID = .863531 au 
 Jupiter MOID = 2.57362 au 
 T_jup = 3.514 
[ 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 17.0   n/a MPO412990  

181655 (2007 VZ189)          Discovered 2007-Nov-14 by Lowe, A. at Mayhill
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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