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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07614241766791259 5.9056e-08  
a 2.704080413091244 3.2489e-08 au
q 2.498185192870029 1.6355e-07 au
i 11.00797783477693 8.4791e-06 deg
node 308.5170733497307 3.9249e-05 deg
peri 153.8281247872279 8.9487e-05 deg
M 134.0543028471189 7.4902e-05 deg
tp 2458395.707929979254
(2018-Oct-04.20792998)
0.00033892 TDB
period 1624.156335032165
4.45
2.9271e-05
8.014e-08
d
yr
n .2216535392775909 3.9947e-09 deg/d
Q 2.90997563331246 3.4963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6627 days (18.14 yr)  
   first obs. used      2001-01-04  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56949  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:55:20  

Additional Information
 Earth MOID = 1.51941 au 
 Jupiter MOID = 2.19319 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457381.5 (2015-Dec-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07724904027633658 5.9229e-08  
q 2.494550989156166 1.6455e-07 au
tp 2456772.793371485806
(2014-Apr-25.29337149)
0.00033775 TDB
node 308.5351448451145 3.9252e-05 deg
peri 154.0126235901949 8.8258e-05 deg
i 11.00864367565769 8.4796e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6627 days (18.14 yr)  
   first obs. used      2001-01-04  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56949  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:55:20  

Additional Information
 Jupiter MOID = 2.19319 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.508017510056436E-15 -9.579868680427665E-15 6.08457049593413E-12 -1.780027943712311E-14 1.395824193936541E-12 -5.033674519700825E-15
q -9.579868680427665E-15 2.707690208376365E-14 -1.862675574598973E-11 4.828591542903312E-14 -4.199316277272862E-12 1.526994608304646E-14
tp 6.08457049593413E-12 -1.862675574598973E-11 1.140767093005579E-7 2.402888472008851E-11 2.674644626693642E-8 3.449975061383451E-11
node -1.780027943712311E-14 4.828591542903312E-14 2.402888472008851E-11 1.540747510028357E-9 -1.505570852846157E-9 1.343905615801011E-10
peri 1.395824193936541E-12 -4.199316277272862E-12 2.674644626693642E-8 -1.505570852846157E-9 7.789534895505823E-9 -1.23475080747283E-10
i -5.033674519700825E-15 1.526994608304646E-14 3.449975061383451E-11 1.343905615801011E-10 -1.23475080747283E-10 7.190363214779997E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO471891  
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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