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434596 (2005 UN242)
Classification: Main-belt Asteroid          SPK-ID: 2434596
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061441185621713 2.4497e-07  
a 2.534226095052947 3.0913e-08 au
q 2.265232899956299 6.2676e-07 au
i 3.479326627987122 5.1344e-06 deg
node 300.3656369550477 0.00028425 deg
peri 168.1412884246329 0.00047735 deg
M 179.0805872799626 0.00044911 deg
tp 2458267.485654882658
(2018-May-28.98565488)
0.0018344 TDB
period 1473.555387830524
4.03
2.6962e-05
7.382e-08
d
yr
n .2443070704861786 4.4702e-09 deg/d
Q 2.803219290149595 3.4195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      4936 days (13.51 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:30:50  

Additional Information
 Earth MOID = 1.28211 au 
 Jupiter MOID = 2.2935 au 
 T_jup = 3.439 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457831.5 (2017-Mar-19.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071129369440692 2.5831e-07  
q 2.260853917573293 6.6644e-07 au
tp 2458265.369777718595
(2018-May-26.86977772)
0.001805 TDB
node 300.4147040604478 0.00028473 deg
peri 167.4456521553136 0.00047278 deg
i 3.477269515733426 5.1326e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      4936 days (13.51 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:30:50  

Additional Information
 Jupiter MOID = 2.2935 au 
 T_jup = 3.439 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.672205076898871E-14 -1.720014985973343E-13 -4.565011188904005E-10 -2.28759453415229E-11 -9.826344208409604E-11 1.122763049939497E-13
q -1.720014985973343E-13 4.441447742691086E-13 1.181933166619602E-9 5.920797566009202E-11 2.543510633361246E-10 -2.903546841357288E-13
tp -4.565011188904005E-10 1.181933166619602E-9 3.258122154134916E-6 1.6260027535477E-7 7.009727301094278E-7 -8.083172339542281E-10
node -2.28759453415229E-11 5.920797566009202E-11 1.6260027535477E-7 8.106866161917871E-8 -3.783250326424044E-8 -9.514752466084849E-11
peri -9.826344208409604E-11 2.543510633361246E-10 7.009727301094278E-7 -3.783250326424044E-8 2.235241812070666E-7 -1.192161482237597E-10
i 1.122763049939497E-13 -2.903546841357288E-13 -8.083172339542281E-10 -9.514752466084849E-11 -1.192161482237597E-10 2.634331975772674E-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 17.6   n/a MPO335579  

434596 (2005 UN242)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2005 UN242 = 2009 VW29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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