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312388 (2008 EA141)
Classification: Main-belt Asteroid          SPK-ID: 2312388
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06381799770716766 5.2501e-08  
a 2.780622028529437 3.4767e-08 au
q 2.603168298288245 1.5816e-07 au
i 3.08733584776768 5.9256e-06 deg
node 299.9087986022916 0.00010998 deg
peri 161.9029436586839 0.00012053 deg
M 301.4297883231163 5.0218e-05 deg
tp 2459276.040637068014
(2021-Mar-02.54063707)
0.0002375 TDB
period 1693.602029163142
4.64
3.1763e-05
8.696e-08
d
yr
n .2125646957200958 3.9866e-09 deg/d
Q 2.958075758770628 3.6986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      6530 days (17.88 yr)  
   first obs. used      2001-10-21  
   last obs. used      2019-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:49  

Additional Information
 Earth MOID = 1.62027 au 
 Jupiter MOID = 2.1295 au 
 T_jup = 3.328 
[ 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 16.6   n/a MPO494656  

312388 (2008 EA141)          Discovered 2008-Mar-12 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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