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447841 (2007 UM46)
Classification: Main-belt Asteroid          SPK-ID: 2447841
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173398425416816 1.3688e-07  
a 2.537168462461676 1.5859e-08 au
q 2.097227446053618 3.56e-07 au
i 4.513047740547388 6.7022e-06 deg
node 90.32134449163674 0.00010677 deg
peri 318.9001078861384 0.00011023 deg
M 39.34571777973103 2.4555e-05 deg
tp 2458839.169174806967
(2019-Dec-21.66917481)
9.9809e-05 TDB
period 1476.12244348002
4.04
1.384e-05
3.789e-08
d
yr
n .2438822074619265 2.2866e-09 deg/d
Q 2.977109478869735 1.8609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      5912 days (16.19 yr)  
   first obs. used      2003-11-19  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:11:13  

Additional Information
 Earth MOID = 1.11022 au 
 Jupiter MOID = 2.39683 au 
 T_jup = 3.422 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO456122  

447841 (2007 UM46)          Discovered 2007-Oct-20 by CSS at Catalina
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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