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487604 (2015 ME8)
Classification: Main-belt Asteroid          SPK-ID: 2487604
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 .3268051210073699 9.3312e-08  
a 3.106265426350125 1.9183e-07 au
q 2.091121977810763 3.0131e-07 au
i 15.09755774750711 3.4658e-05 deg
node 131.9614609263863 3.3106e-05 deg
peri 270.66007180 8.3947e-05 deg
M 259.8567033086107 5.8212e-05 deg
tp 2459556.757211780446
(2021-Dec-08.25721178)
0.00033542 TDB
period 1999.660515052517
5.47
0.00018524
5.072e-07
d
yr
n .1800305588324053 1.6677e-08 deg/d
Q 4.121408874889487 2.5453e-07 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      2334 days (6.39 yr)  
   first obs. used      2010-09-13  
   last obs. used      2017-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46172  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:15:27  

Additional Information
 Earth MOID = 1.16312 au 
 Jupiter MOID = 1.72908 au 
 T_jup = 3.085 
[ 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 16.5   n/a MPO399082  

487604 (2015 ME8)          Discovered 2012-Feb-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

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