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JPL Small-Body Database Browser
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324021 (2005 UB378)
Classification: Main-belt Asteroid          SPK-ID: 2324021
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156397786024069 5.9904e-08  
a 2.728374432450086 3.0303e-08 au
q 2.41286581713709 1.676e-07 au
i 4.100593134514249 8.4309e-06 deg
node 213.6792820471127 9.3707e-05 deg
peri 99.20041419836984 0.00010132 deg
M 81.43933714054869 3.8209e-05 deg
tp 2458228.120201217691
(2018-Apr-19.62020122)
0.00017538 TDB
period 1646.093058570393
4.51
2.7424e-05
7.508e-08
d
yr
n .2186996647155869 3.6435e-09 deg/d
Q 3.043883047763081 3.3807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      7078 days (19.38 yr)  
   first obs. used      1999-05-21  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58455  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:07:53  

Additional Information
 Earth MOID = 1.40231 au 
 Jupiter MOID = 2.20392 au 
 T_jup = 3.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457105.5 (2015-Mar-24.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176760697382142 6.0163e-08  
q 2.40580066304601 1.6844e-07 au
tp 2456578.938037989851
(2013-Oct-13.43803799)
0.00017642 TDB
node 213.7963607499269 9.4027e-05 deg
peri 98.38865790879672 0.00010128 deg
i 4.093261322951571 8.4235e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      7078 days (19.38 yr)  
   first obs. used      1999-05-21  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58455  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:07:53  

Additional Information
 Jupiter MOID = 2.20392 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.619631339218499E-15 -1.000709426110308E-14 2.791942761802536E-12 -1.657918105566623E-14 6.294833171703785E-13 9.556206330955074E-16
q -1.000709426110308E-14 2.837157166834538E-14 -8.872367747501718E-12 4.705442402974061E-14 -1.940077751119841E-12 -1.638795681235311E-15
tp 2.791942761802536E-12 -8.872367747501718E-12 3.112577541082364E-8 -4.230730585070157E-11 6.677833617008782E-9 -7.32313345013267E-12
node -1.657918105566623E-14 4.705442402974061E-14 -4.230730585070157E-11 8.841006182509448E-9 -8.826843406186767E-9 -1.403213620874712E-10
peri 6.294833171703785E-13 -1.940077751119841E-12 6.677833617008782E-9 -8.826843406186767E-9 1.025825686872859E-8 1.384527722486702E-10
i 9.556206330955074E-16 -1.638795681235311E-15 -7.32313345013267E-12 -1.403213620874712E-10 1.384527722486702E-10 7.095604125729519E-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 17.1   n/a MPO455388  

324021 (2005 UB378)          Discovered 2005-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

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Alternate Designations
 2005 UB378 = 2005 XT113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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