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245559 (2005 UJ75)
Classification: Main-belt Asteroid          SPK-ID: 2245559
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07714820404935374 5.6007e-08  
a 3.05770605331083 3.8754e-08 au
q 2.821809522787062 1.7584e-07 au
i 16.07501808323392 8.2834e-06 deg
node 278.1082853612805 2.794e-05 deg
peri 135.0939231954966 7.8179e-05 deg
M 244.8319001064841 7.6987e-05 deg
tp 2459625.272243820342
(2022-Feb-14.77224382)
0.00042457 TDB
period 1952.954055708843
5.35
3.7128e-05
1.017e-07
d
yr
n .1843361337393749 3.5045e-09 deg/d
Q 3.293602583834597 4.1744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      7552 days (20.68 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:37:01  

Additional Information
 Earth MOID = 1.85729 au 
 Jupiter MOID = 1.99626 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457166.5 (2015-May-24.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08109172035249751 5.6638e-08  
q 2.804615530454901 1.7866e-07 au
tp 2457672.508028682821
(2016-Oct-11.00802868)
0.00038004 TDB
node 278.163919989804 2.7991e-05 deg
peri 134.6020696038921 7.4298e-05 deg
i 16.06873816590993 8.2684e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      7552 days (20.68 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:37:01  

Additional Information
 Jupiter MOID = 1.99626 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.207853130738684E-15 -9.930714819303744E-15 -1.909851009331598E-12 -8.316146062037414E-15 -2.366135408858171E-13 -4.081192515684696E-15
q -9.930714819303744E-15 3.191941972293111E-14 1.276076451983841E-11 3.822142270266891E-14 1.917944006661471E-12 1.680973354268176E-14
tp -1.909851009331598E-12 1.276076451983841E-11 1.444338760427689E-7 1.616900538264574E-10 2.622755866084692E-8 5.301341333925496E-11
node -8.316146062037414E-15 3.822142270266891E-14 1.616900538264574E-10 7.834759343934647E-10 -7.232040997604608E-10 9.483034054896656E-11
peri -2.366135408858171E-13 1.917944006661471E-12 2.622755866084692E-8 -7.232040997604608E-10 5.520243698865882E-9 -8.17112470890626E-11
i -4.081192515684696E-15 1.680973354268176E-14 5.301341333925496E-11 9.483034054896656E-11 -8.17112470890626E-11 6.836573954023877E-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 15.3   n/a MPO437144  
diameter diameter 4.871 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245559 (2005 UJ75)          Discovered 2005-Oct-24 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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