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413643 (2005 UX491)
Classification: Main-belt Asteroid          SPK-ID: 2413643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978349349198764 6.6103e-08  
a 2.698873848013195 2.9646e-08 au
q 2.164942315934548 1.8001e-07 au
i 16.79958742389542 7.0414e-06 deg
node 70.81539908798615 1.7306e-05 deg
peri 289.506369079432 2.577e-05 deg
M 130.9822708298171 2.1824e-05 deg
tp 2458411.273434212245
(2018-Oct-19.77343421)
9.2417e-05 TDB
period 1619.46775193108
4.43
2.6684e-05
7.306e-08
d
yr
n .2222952569266847 3.6627e-09 deg/d
Q 3.232805380091841 3.5511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      5263 days (14.41 yr)  
   first obs. used      2005-10-24  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:25:48  

Additional Information
 Earth MOID = 1.2287 au 
 Jupiter MOID = 2.41914 au 
 T_jup = 3.280 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457740.5 (2016-Dec-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969527862828448 6.6137e-08  
q 2.169095185550919 1.7965e-07 au
tp 2458410.432355121973
(2018-Oct-18.93235512)
9.292e-05 TDB
node 70.84998862073894 1.7322e-05 deg
peri 289.1816663647466 2.5821e-05 deg
i 16.78590077191734 7.0364e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      5263 days (14.41 yr)  
   first obs. used      2005-10-24  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:25:48  

Additional Information
 Jupiter MOID = 2.41914 au 
 T_jup = 3.280 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.374062466602078E-15 -1.177546420758752E-14 1.479896838918287E-12 -1.0847619208352E-14 4.554095327584238E-14 -6.855757111931748E-15
q -1.177546420758752E-14 3.227349922015972E-14 -2.736608297501873E-12 3.189098309416293E-14 8.124473226749503E-14 1.623993527186462E-14
tp 1.479896838918287E-12 -2.736608297501873E-12 8.634079380962563E-9 -3.496869347908218E-12 1.741538182856183E-9 -2.368387010076907E-11
node -1.0847619208352E-14 3.189098309416293E-14 -3.496869347908218E-12 3.000406131681844E-10 -2.869121078688658E-10 1.121765824996133E-11
peri 4.554095327584238E-14 8.124473226749503E-14 1.741538182856183E-9 -2.869121078688658E-10 6.667157339402845E-10 -1.489089696020075E-11
i -6.855757111931748E-15 1.623993527186462E-14 -2.368387010076907E-11 1.121765824996133E-11 -1.489089696020075E-11 4.951125063909257E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO455946  

413643 (2005 UX491)          Discovered 2005-Oct-24 by NEAT at Palomar
Reference: Last Updated: 2014-11-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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