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187662 (2007 JU44)
Classification: Main-belt Asteroid          SPK-ID: 2187662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06730175661488035 4.3218e-08  
a 3.134983874442961 3.1042e-08 au
q 2.923993952733626 1.2829e-07 au
i 2.087153892134311 4.662e-06 deg
node 148.0253873113282 0.00012426 deg
peri 174.95136698 0.00013002 deg
M 88.69749167030236 3.6188e-05 deg
tp 2458700.971546098197
(2019-Aug-05.47154610)
0.0002052 TDB
period 2027.455794049921
5.55
3.0114e-05
8.245e-08
d
yr
n .1775624410931723 2.6373e-09 deg/d
Q 3.345973796152296 3.3132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      7236 days (19.81 yr)  
   first obs. used      2001-03-21  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49197  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:57:08  

Additional Information
 Earth MOID = 1.90953 au 
 Jupiter MOID = 1.87814 au 
 T_jup = 3.208 
[ 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 15.9   n/a MPO449935  

187662 (2007 JU44)          Discovered 2007-May-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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