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JPL Small-Body Database Browser
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441840 (2009 VK31)
Classification: Main-belt Asteroid          SPK-ID: 2441840
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08154159823242473 5.0472e-08  
a 2.202025232951518 3.3342e-08 au
q 2.022468576108523 9.7739e-08 au
i 4.58557838466242 9.1107e-06 deg
node 10.48049938341267 8.5613e-05 deg
peri 62.96575357507422 0.00011317 deg
M 305.8808011533363 7.7787e-05 deg
tp 2458779.924077435257
(2019-Oct-23.42407744)
0.00026009 TDB
period 1193.525943717373
3.27
2.7107e-05
7.421e-08
d
yr
n .3016272933948455 6.8506e-09 deg/d
Q 2.381581889794512 3.606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      2699 days (7.39 yr)  
   first obs. used      2009-10-26  
   last obs. used      2017-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6017  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:34:28  

Additional Information
 Earth MOID = 1.04147 au 
 Jupiter MOID = 2.78707 au 
 T_jup = 3.656 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4   n/a MPO397575  

441840 (2009 VK31)          Discovered 2009-Oct-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 VK31 = 2012 TF28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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