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136925 (1998 ME)
Classification: Main-belt Asteroid          SPK-ID: 2136925
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1993692028362054 4.7298e-08  
a 3.096180538039587 2.7974e-08 au
q 2.478897492333661 1.4523e-07 au
i 14.74950141895543 7.4381e-06 deg
node 224.37760729298 2.1554e-05 deg
peri 272.1063742281676 3.005e-05 deg
M 99.37299878899658 1.7985e-05 deg
tp 2458451.207414916230
(2018-Nov-28.70741492)
9.9295e-05 TDB
period 1989.930192707973
5.45
2.6969e-05
7.384e-08
d
yr
n .1809108687928888 2.4518e-09 deg/d
Q 3.713463583745513 3.3552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7625 days (20.88 yr)  
   first obs. used      1998-06-16  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:31  

Additional Information
 Earth MOID = 1.54547 au 
 Jupiter MOID = 1.70139 au 
 T_jup = 3.143 
[ 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 15.5   n/a MPO436675  

136925 (1998 ME)          Discovered 1998-Jun-16 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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