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21165 (1993 VF2)
Classification: Main-belt Asteroid          SPK-ID: 2021165
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166458594437072 5.7118e-08  
a 2.194756534551432 1.7046e-08 au
q 1.829420446678422 1.305e-07 au
i 3.865350065614022 5.6519e-06 deg
node 74.2418549808816 8.2541e-05 deg
peri 325.1395701235567 8.4753e-05 deg
M 301.515445794488 2.4377e-05 deg
tp 2457593.437495232870
(2016-Jul-23.93749523)
8.2114e-05 JED
period 1187.621231406887
3.25
1.3836e-05
3.788e-08
d
yr
n .3031269486261497 3.5314e-09 deg/d
Q 2.560092622424442 1.9883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8952 days (24.51 yr)  
   first obs. used      1991-01-08  
   last obs. used      2015-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54874  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:56:35  

Additional Information
 Earth MOID = .837672 au 
 Jupiter MOID = 2.84471 au 
 T_jup = 3.649 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO302194  

21165 (1993 VF2)          Discovered 1993-Nov-11 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 VF2 = 1998 FX11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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