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379398 (2010 AU2)
Classification: Main-belt Asteroid          SPK-ID: 2379398
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 .07453641859602644 5.4279e-08  
a 2.707740720937523 2.9396e-08 au
q 2.505915425112218 1.4514e-07 au
i 11.00503664104069 6.724e-06 deg
node 308.5128592898463 3.1466e-05 deg
peri 154.3214353079644 6.0697e-05 deg
M 221.1714130021301 5.0405e-05 deg
tp 2460024.103625723005
(2023-Mar-20.60362572)
0.00023038 TDB
period 1627.455195980267
4.46
2.6502e-05
7.256e-08
d
yr
n .2212042462914998 3.6022e-09 deg/d
Q 2.909566016762829 3.1587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      7463 days (20.43 yr)  
   first obs. used      2001-01-04  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56524  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:30:14  

Additional Information
 Earth MOID = 1.52726 au 
 Jupiter MOID = 2.191 au 
 T_jup = 3.334 
[ 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 16.42   n/a E2021B25  
diameter diameter 2.306 km 0.695 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379398 (2010 AU2)          Discovered 2010-Jan-07 by BATTeRS at Bisei SG Center
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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