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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05593376919309778 5.162e-08  
a 2.322839941586959 1.2201e-08 au
q 2.192914748421726 1.1954e-07 au
i 3.768989183706271 5.46e-06 deg
node 332.1901523515114 7.1164e-05 deg
peri 199.3635906357083 8.2063e-05 deg
M 14.2483475239214 4.0198e-05 deg
tp 2459149.321287859928
(2020-Oct-26.82128786)
0.00014433 TDB
period 1293.085836058775
3.54
1.0188e-05
2.789e-08
d
yr
n .278403791891536 2.1935e-09 deg/d
Q 2.452765134752193 1.2883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      10637 days (29.12 yr)  
   first obs. used      1992-01-30  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:24:23  

Additional Information
 Earth MOID = 1.19828 au 
 Jupiter MOID = 2.51466 au 
 T_jup = 3.571 
[ 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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