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194429 (2001 VR71)
Classification: Main-belt Asteroid          SPK-ID: 2194429
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05580134941778566 4.7289e-08  
a 2.322576340849929 1.0795e-08 au
q 2.19297344690468 1.0693e-07 au
i 3.768999889437981 4.5579e-06 deg
node 332.1903158023411 7.0845e-05 deg
peri 199.3425482160527 8.1795e-05 deg
M 68.84950098167165 3.9832e-05 deg
tp 2459149.241221416847
(2020-Oct-26.74122142)
0.00014293 TDB
period 1292.865729174001
3.54
9.0134e-06
2.468e-08
d
yr
n .278451189382211 1.9413e-09 deg/d
Q 2.452179234795178 1.1397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      10729 days (29.37 yr)  
   first obs. used      1992-01-30  
   last obs. used      2021-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:58:43  

Additional Information
 Earth MOID = 1.19956 au 
 Jupiter MOID = 2.51442 au 
 T_jup = 3.572 
[ 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 16.74   n/a MPCxxxxx  

194429 (2001 VR71)          Discovered 2001-Nov-10 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2001 VR71 = 2003 FC15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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