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139359 (2001 ME1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2139359
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 112 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8696698966104729 1.52e-08  
a 2.634220388126246 4.7475e-09 au
q .3433182155352938 3.984e-08 au
i 5.949320253908962 5.4474e-06 deg
node 84.66527118491102 3.1192e-05 deg
peri 302.2622406111572 3.118e-05 deg
M 129.8813663657429 1.2468e-06 deg
tp 2458437.094691033008
(2018-Nov-14.59469103)
4.5714e-06 TDB
period 1561.62440312619
4.28
4.2216e-06
1.156e-08
d
yr
n .2305291844052398 6.232e-10 deg/d
Q 4.925122560717198 8.8762e-09 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      6523 days (17.86 yr)  
   first obs. used      2001-05-25  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44845  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-05 07:37:36  

Additional Information
 Earth MOID = .0132115 au 
 Jupiter MOID = .629292 au 
 T_jup = 2.674 
[ 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 16.4   n/a MPO469470  

139359 (2001 ME1)          Discovered 2001-Jun-16 by LINEAR at Socorro
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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