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146300 (2001 JM5)
Classification: Main-belt Asteroid          SPK-ID: 2146300
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182291169266894 4.1992e-08  
a 2.399137144152122 1.2459e-08 au
q 1.961795628912995 1.024e-07 au
i 4.414578557206852 4.8924e-06 deg
node 78.71394596689946 5.847e-05 deg
peri 212.1733298264361 6.0088e-05 deg
M 1.013825226263109 1.6187e-05 deg
tp 2458996.677551601279
(2020-May-27.17755160)
6.1017e-05 TDB
period 1357.316219691642
3.72
1.0573e-05
2.895e-08
d
yr
n .2652292772879304 2.0661e-09 deg/d
Q 2.836478659391249 1.4731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      1998-09-17  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:36:22  

Additional Information
 Earth MOID = .947217 au 
 Jupiter MOID = 2.34121 au 
 T_jup = 3.500 
[ 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 16.1   n/a MPO432920  

146300 (2001 JM5)          Discovered 2001-May-14 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 JM5 = 1998 SW155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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