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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666398249440899 6.5203e-08  
a 2.194398047027291 1.7252e-08 AU
q 1.82872394061301 1.4711e-07 AU
i 3.865773923614634 6.0365e-06 deg
node 74.24470764844894 9.3368e-05 deg
peri 325.2273381567923 9.5508e-05 deg
M 119.5065159689927 2.2846e-05 deg
tp 2456406.350823418835
(2013-Apr-23.85082342)
7.2406e-05 JED
period 1187.330267464539
3.25
1.4002e-05
3.834e-08
d
yr
n .3032012320958976 3.5755e-09 deg/d
Q 2.560072153441571 2.0127e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      8485 days (23.23 yr)  
   first obs. used      1991-01-08  
   last obs. used      2014-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57055  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:16:21  

Additional Information
 Earth MOID = .837084 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 14.9 mag n/a MPO240376  

21165 (1993 VF2)          Discovered 1993-Nov-11 by Ueda, S., Kaneda, H. at Kushiro (399)
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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