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447728 (2007 EM208)
Classification: Main-belt Asteroid          SPK-ID: 2447728
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1877882298587027 1.0482e-07  
a 3.140314174302671 7.5472e-08 au
q 2.550600134310179 3.5919e-07 au
i 26.56462262946643 1.7272e-05 deg
node 180.4760765677423 1.4923e-05 deg
peri 241.4721335951743 5.9009e-05 deg
M 254.9058633333414 6.5054e-05 deg
tp 2459593.881582075599
(2022-Jan-14.38158208)
0.00038069 TDB
period 2032.62880616047
5.57
7.3276e-05
2.006e-07
d
yr
n .1771105471441297 6.3848e-09 deg/d
Q 3.730028214295163 8.9644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5403 days (14.79 yr)  
   first obs. used      2004-09-13  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64454  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:31  

Additional Information
 Earth MOID = 1.65263 au 
 Jupiter MOID = 2.0192 au 
 T_jup = 3.022 
[ 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 MPO440858  

447728 (2007 EM208)          Discovered 2007-Mar-14 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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