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JPL Small-Body Database Browser
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379003 (2008 UN340)
Classification: Main-belt Asteroid          SPK-ID: 2379003
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .079832061259241 4.3417e-07  
a 3.043999208312008 2.0514e-07 au
q 2.800990477040962 1.4988e-06 au
i 1.577002423739394 2.3072e-05 deg
node 163.8515357918893 0.00051116 deg
peri 255.696765558986 0.00063339 deg
M 49.89912110100416 0.0004152 deg
tp 2458731.621779590761
(2019-Sep-05.12177959)
0.0022112 TDB
period 1939.836959280192
5.31
0.0001961
5.369e-07
d
yr
n .1855826069700125 1.876e-08 deg/d
Q 3.287007939583053 2.2152e-07 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      4931 days (13.50 yr)  
   first obs. used      2005-03-08  
   last obs. used      2018-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .61162  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:40:27  

Additional Information
 Earth MOID = 1.81391 au 
 Jupiter MOID = 1.97355 au 
 T_jup = 3.234 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456787.5 (2014-May-10.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07575201032143085 4.2251e-07  
q 2.812728917916069 1.451e-06 au
tp 2456794.308741141480
(2014-May-16.80874114)
0.0021475 TDB
node 163.9010828857829 0.00051326 deg
peri 256.2713220961098 0.00064776 deg
i 1.571576220466032 2.3028e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      4931 days (13.50 yr)  
   first obs. used      2005-03-08  
   last obs. used      2018-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .61162  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:40:27  

Additional Information
 Jupiter MOID = 1.97355 au 
 T_jup = 3.234 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.785157165515838E-13 -6.123765444882722E-13 -8.805771744397976E-10 -3.203779482283579E-12 -1.622815883030609E-10 -1.524895877399605E-13
q -6.123765444882722E-13 2.105486887410597E-12 3.039643701296896E-9 1.107769304321744E-11 5.60062904266884E-10 5.271145641019944E-13
tp -8.805771744397976E-10 3.039643701296896E-9 4.611547311041457E-6 1.646678099170671E-8 8.491025572763279E-7 7.782695875328117E-10
node -3.203779482283579E-12 1.107769304321744E-11 1.646678099170671E-8 2.63433368527933E-7 -2.602469929766805E-7 8.572601791191564E-9
peri -1.622815883030609E-10 5.60062904266884E-10 8.491025572763279E-7 -2.602469929766805E-7 4.195980897897684E-7 -8.423471383236723E-9
i -1.524895877399605E-13 5.271145641019944E-13 7.782695875328117E-10 8.572601791191564E-9 -8.423471383236723E-9 5.30307036527041E-10

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 17.0   n/a MPO455728  

379003 (2008 UN340)          Discovered 2008-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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