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308145 (2005 AU12)
Classification: Main-belt Asteroid          SPK-ID: 2308145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .2071025291727246 3.2112e-08  
a 2.345005649794738 1.1852e-08 au
q 1.859349048797919 7.5521e-08 au
i 3.976385473023511 3.874e-06 deg
node 111.1895602800381 7.7909e-05 deg
peri 358.4766563855493 7.9542e-05 deg
M 105.0789953977952 1.7416e-05 deg
tp 2458617.650857877366
(2019-May-14.15085788)
6.1632e-05 TDB
period 1311.638835548289
3.59
9.9434e-06
2.722e-08
d
yr
n .2744657982389743 2.0807e-09 deg/d
Q 2.830662250791557 1.4306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1993-12-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57751  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:10:53  

Additional Information
 Earth MOID = .876062 au 
 Jupiter MOID = 2.29351 au 
 T_jup = 3.529 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO460276  

308145 (2005 AU12)          Discovered 2005-Jan-06 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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