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442495 (2011 VN18)
Classification: Main-belt Asteroid          SPK-ID: 2442495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2588327044925559 4.4073e-08  
a 2.726061293394362 2.2847e-08 au
q 2.020467476212624 1.1925e-07 au
i 12.37867839304209 1.0541e-05 deg
node 75.88874150804598 3.4067e-05 deg
peri 253.5281344851341 4.3372e-05 deg
M 12.86367116854648 2.3098e-05 deg
tp 2458941.755896490452
(2020-Apr-02.25589649)
0.00010511 TDB
period 1644.000144775679
4.50
2.0668e-05
5.659e-08
d
yr
n .2189780829058998 2.7529e-09 deg/d
Q 3.431655110576099 2.8761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6585 days (18.03 yr)  
   first obs. used      2002-11-06  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54263  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:27:29  

Additional Information
 Earth MOID = 1.04994 au 
 Jupiter MOID = 2.0632 au 
 T_jup = 3.275 
[ 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 16.8   n/a MPO477089  

442495 (2011 VN18)          Discovered 2006-Jul-26 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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