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413278 (2003 UM65)
Classification: Main-belt Asteroid          SPK-ID: 2413278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .279864371498436 7.8079e-08  
a 3.009029365067428 1.5166e-08 au
q 2.166909252992494 2.3034e-07 au
i 8.637465841898905 7.6377e-06 deg
node 82.95463422903386 3.3586e-05 deg
peri 312.2707968287978 3.73e-05 deg
M 56.27172217324562 1.3633e-05 deg
tp 2458702.493475930360
(2019-Aug-06.99347593)
7.1177e-05 TDB
period 1906.505515057399
5.22
1.4414e-05
3.946e-08
d
yr
n .1888271484959022 1.4276e-09 deg/d
Q 3.851149477142362 1.9411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      5945 days (16.28 yr)  
   first obs. used      2003-09-26  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 10:34:39  

Additional Information
 Earth MOID = 1.18535 au 
 Jupiter MOID = 1.62437 au 
 T_jup = 3.173 
[ 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 MPO455942  
diameter diameter 3.859 km 0.896 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

413278 (2003 UM65)          Discovered 2003-Oct-16 by NEAT at Palomar
Reference: Last Updated: 2014-11-10

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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