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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.


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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 .05003202842686504 8.652e-08  
a 2.881782441651918 3.6479e-08 au
q 2.737601020611149 2.4893e-07 au
i 2.038885319868051 8.1889e-06 deg
node 326.6926072594622 0.0002114 deg
peri 231.0859502476897 0.00022531 deg
M 310.0098110198518 7.6755e-05 deg
tp 2459248.626123763813
(2021-Feb-03.12612376)
0.00038191 TDB
period 1786.858709224823
4.89
3.3929e-05
9.289e-08
d
yr
n .2014708819121885 3.8255e-09 deg/d
Q 3.025963862692687 3.8305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5981 days (16.38 yr)  
   first obs. used      2003-09-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 12:40:37  

Additional Information
 Earth MOID = 1.73584 au 
 Jupiter MOID = 1.93839 au 
 T_jup = 3.291 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457138.5 (2015-Apr-26.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05207604724354887 8.5971e-08  
q 2.732751785497724 2.4911e-07 au
tp 2457462.831676357527
(2016-Mar-15.33167636)
0.00036314 TDB
node 326.7639985421719 0.00021099 deg
peri 231.2868253287398 0.00022399 deg
i 2.041827857642799 8.191e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5981 days (16.38 yr)  
   first obs. used      2003-09-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 12:40:37  

Additional Information
 Jupiter MOID = 1.93839 au 
 T_jup = 3.291 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.391094555215607E-15 -2.121085296786519E-14 -6.571449227465931E-12 6.875343660369832E-14 -1.693435327941229E-12 -7.219538235567255E-16
q -2.121085296786519E-14 6.205368104286546E-14 2.058086069526961E-11 -1.943396288519842E-13 5.170166144540392E-12 2.625657539345739E-15
tp -6.571449227465931E-12 2.058086069526961E-11 1.318742577692668E-7 -2.289879708531426E-10 2.734309046420389E-8 -4.623617242743918E-12
node 6.875343660369832E-14 -1.943396288519842E-13 -2.289879708531426E-10 4.45148152535479E-8 -4.453466283145657E-8 2.255770990463773E-10
peri -1.693435327941229E-12 5.170166144540392E-12 2.734309046420389E-8 -4.453466283145657E-8 5.017175523572098E-8 -2.263501328107386E-10
i -7.219538235567255E-16 2.625657539345739E-15 -4.623617242743918E-12 2.255770990463773E-10 -2.263501328107386E-10 6.70926833423961E-11

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 16.7   n/a MPO419227  

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

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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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