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442418 (2011 UP117)
Classification: Main-belt Asteroid          SPK-ID: 2442418
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3042796826057243 1.3411e-07  
a 2.61948930151421 8.4349e-08 au
q 1.822431928260376 4.0469e-07 au
i 4.661785687667616 5.4854e-06 deg
node 261.33269304076 0.00013236 deg
peri 164.5798563468607 0.00013937 deg
M 355.9956873709109 6.1042e-05 deg
tp 2459017.724588152057
(2020-Jun-17.22458815)
0.00026338 TDB
period 1548.543360399686
4.24
7.4796e-05
2.048e-07
d
yr
n .2324765384077347 1.1229e-08 deg/d
Q 3.416546674768044 1.1001e-07 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      3447 days (9.44 yr)  
   first obs. used      2007-10-19  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62162  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:28:50  

Additional Information
 Earth MOID = .836757 au 
 Jupiter MOID = 1.91798 au 
 T_jup = 3.334 
[ 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 17.5   n/a MPO495192  

442418 (2011 UP117)          Discovered 2007-Oct-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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