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442730 (2012 VW72)
Classification: Main-belt Asteroid          SPK-ID: 2442730
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388448800912159 8.2225e-08  
a 2.256961691651265 1.7529e-08 au
q 1.943594116203477 1.8353e-07 au
i 3.536375789332384 7.885e-06 deg
node 84.72436091607675 0.0001193 deg
peri 327.9808238611432 0.00012306 deg
M 197.9513100748223 3.3172e-05 deg
tp 2459953.977998289929
(2023-Jan-09.47799829)
0.00011863 TDB
period 1238.467768403679
3.39
1.4428e-05
3.95e-08
d
yr
n .2906817675715707 3.3864e-09 deg/d
Q 2.570329267099053 1.9963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      9372 days (25.66 yr)  
   first obs. used      1995-10-17  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:48:07  

Additional Information
 Earth MOID = .955368 au 
 Jupiter MOID = 2.75878 au 
 T_jup = 3.607 
[ 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 18.43   n/a E2021B25  

442730 (2012 VW72)          Discovered 1995-Oct-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 VW72 = 1995 UR83 = 2012 UL152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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