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312389 (2008 EG142)
Classification: Main-belt Asteroid          SPK-ID: 2312389
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09590636813454512 1.4318e-07  
a 2.983868983936802 7.4165e-08 au
q 2.697696946698108 4.7614e-07 au
i 7.693778462705818 9.3847e-06 deg
node 314.8539291391839 5.0897e-05 deg
peri 65.01191757573922 7.2202e-05 deg
M 297.5455599823749 6.079e-05 deg
tp 2459327.109543079012
(2021-Apr-22.60954308)
0.00032684 TDB
period 1882.64333929281
5.15
7.0191e-05
1.922e-07
d
yr
n .19122049964877 7.1293e-09 deg/d
Q 3.270041021175496 8.1278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6368 days (17.43 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55046  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:49  

Additional Information
 Earth MOID = 1.71044 au 
 Jupiter MOID = 2.21236 au 
 T_jup = 3.238 
[ 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 16.0   n/a MPO437379  

312389 (2008 EG142)          Discovered 2008-Mar-12 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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