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461545 (2003 UP345)
Classification: Main-belt Asteroid          SPK-ID: 2461545
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04962724331619011 8.5729e-08  
a 2.880584973565669 2.8881e-08 au
q 2.737629482189565 2.4484e-07 au
i 2.038935068826886 6.5974e-06 deg
node 326.6922907934547 0.00020852 deg
peri 231.1662973663032 0.00022003 deg
M 29.73584225005287 6.5795e-05 deg
tp 2459248.998238575188
(2021-Feb-03.49823858)
0.00032674 TDB
period 1785.745083875603
4.89
2.6856e-05
7.353e-08
d
yr
n .2015965230707464 3.0318e-09 deg/d
Q 3.023540464941774 3.0314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6446 days (17.65 yr)  
   first obs. used      2003-09-18  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63168  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 08:14:43  

Additional Information
 Earth MOID = 1.73655 au 
 Jupiter MOID = 1.93877 au 
 T_jup = 3.292 
[ 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 16.89   n/a E2021B25  

461545 (2003 UP345)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-05-24

[ show close-approach data ]
Alternate Designations
 2003 UP345 = 2006 DY148 = 2011 FX143 = 2012 MG13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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