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357866 (2005 UE308)
Classification: Main-belt Asteroid          SPK-ID: 2357866
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04005657956088155 7.8951e-08  
a 3.066079898106091 4.6995e-08 au
q 2.943263224727585 2.6651e-07 au
i 11.0397468992597 8.732e-06 deg
node 47.81181481023604 3.1209e-05 deg
peri 296.2009702238192 9.746e-05 deg
M 322.6657439670959 9.3317e-05 deg
tp 2459203.866132392130
(2020-Dec-20.36613239)
0.00050959 TDB
period 1960.982096352543
5.37
4.5085e-05
1.234e-07
d
yr
n .1835814822937984 4.2207e-09 deg/d
Q 3.188896571484598 4.8877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      4999 days (13.69 yr)  
   first obs. used      2005-10-01  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:33:15  

Additional Information
 Earth MOID = 1.95836 au 
 Jupiter MOID = 1.98591 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457359.5 (2015-Dec-03.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04236692070911383 7.9965e-08  
q 2.933625726578303 2.6955e-07 au
tp 2457261.970284645571
(2015-Aug-27.47028465)
0.0004674 TDB
node 47.90824229619537 3.112e-05 deg
peri 299.3245733062518 9.1615e-05 deg
i 11.0619380232301 8.7475e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      4999 days (13.69 yr)  
   first obs. used      2005-10-01  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:33:15  

Additional Information
 Jupiter MOID = 1.98591 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.394378591604766E-15 -2.133651368311661E-14 1.11421592347173E-11 -1.530541834333223E-14 2.150999633686556E-12 -3.562145292892597E-15
q -2.133651368311661E-14 7.265973386757608E-14 -3.025652684410861E-11 5.203760595142621E-14 -5.901038502073262E-12 1.400559848505867E-14
tp 1.11421592347173E-11 -3.025652684410861E-11 2.184659970471818E-7 2.733809791969914E-12 4.030949964167447E-8 -4.291056809234621E-12
node -1.530541834333223E-14 5.203760595142621E-14 2.733809791969914E-12 9.684305322940246E-10 -9.498501599416098E-10 -8.809351239528903E-11
peri 2.150999633686556E-12 -5.901038502073262E-12 4.030949964167447E-8 -9.498501599416098E-10 8.393250062974957E-9 8.558995353170664E-11
i -3.562145292892597E-15 1.400559848505867E-14 -4.291056809234621E-12 -8.809351239528903E-11 8.558995353170664E-11 7.651937628971391E-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 16.0   n/a MPO476675  

357866 (2005 UE308)          Discovered 2005-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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