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91940 (1999 VZ60)
Classification: Main-belt Asteroid          SPK-ID: 2091940
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307846444655688 4.1565e-08  
a 3.099735264075679 2.093e-08 au
q 2.694337489626156 1.3661e-07 au
i 3.165922465579162 3.7736e-06 deg
node 70.20870050946495 7.5479e-05 deg
peri 324.9993677941141 7.703e-05 deg
M 286.3089521687413 1.6868e-05 deg
tp 2459408.535138086511
(2021-Jul-13.03513809)
9.5428e-05 TDB
period 1993.358135543215
5.46
2.0189e-05
5.527e-08
d
yr
n .1805997595619693 1.8291e-09 deg/d
Q 3.505133038525203 2.3667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1033  
   data-arc span      7609 days (20.83 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:21:04  

Additional Information
 Earth MOID = 1.70196 au 
 Jupiter MOID = 1.91511 au 
 T_jup = 3.207 
[ 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 14.3   n/a MPO436415  

91940 (1999 VZ60)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VZ60 = 2001 CR12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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