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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07614248453338075 5.4879e-08  
a 2.704080417164294 3.0167e-08 au
q 2.498185015823344 1.4775e-07 au
i 11.00798012498284 6.7517e-06 deg
node 308.5170751313112 3.5445e-05 deg
peri 153.8281862625949 6.4757e-05 deg
M 134.0542471019957 5.3218e-05 deg
tp 2458395.708180109445
(2018-Oct-04.20818011)
0.00023744 TDB
period 1624.156338701769
4.45
2.7178e-05
7.441e-08
d
yr
n .2216535387767889 3.7091e-09 deg/d
Q 2.909975818505244 3.2464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      7108 days (19.46 yr)  
   first obs. used      2001-01-04  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:04:39  

Additional Information
 Earth MOID = 1.51941 au 
 Jupiter MOID = 2.19319 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457656.5 (2016-Sep-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07704490429918823 5.4894e-08  
q 2.495546576505797 1.4804e-07 au
tp 2458396.426097164358
(2018-Oct-04.92609716)
0.00023437 TDB
node 308.5371034910817 3.5448e-05 deg
peri 153.9906606795195 6.4182e-05 deg
i 11.00801742076999 6.7519e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      7108 days (19.46 yr)  
   first obs. used      2001-01-04  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:04:39  

Additional Information
 Jupiter MOID = 2.19319 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.013310423173606E-15 -7.982232307176416E-15 7.3270643702313E-13 -1.971471012846616E-15 7.555236410230744E-14 -7.486223133620086E-16
q -7.982232307176416E-15 2.19173137185629E-14 -4.434669493583245E-13 5.620720552775664E-15 6.865773125165128E-14 3.924104389211956E-15
tp 7.3270643702313E-13 -4.434669493583245E-13 5.492910658156062E-8 -6.954288779011552E-11 1.256983208307937E-8 7.418450010260629E-13
node -1.971471012846616E-15 5.620720552775664E-15 -6.954288779011552E-11 1.256594313444026E-9 -1.249156457301892E-9 4.805408221231335E-11
peri 7.555236410230744E-14 6.865773125165128E-14 1.256983208307937E-8 -1.249156457301892E-9 4.119385185690912E-9 -4.725896486703399E-11
i -7.486223133620086E-16 3.924104389211956E-15 7.418450010260629E-13 4.805408221231335E-11 -4.725896486703399E-11 4.558812122113796E-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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