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266593 (2008 JU)
Classification: Main-belt Asteroid          SPK-ID: 2266593
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08786833949845788 5.8308e-08  
a 2.225669191989692 1.3862e-08 au
q 2.030103335816683 1.2538e-07 au
i 2.395291251919923 5.4192e-06 deg
node 301.6871934089022 0.00012242 deg
peri 328.925067774125 0.00012546 deg
M 187.5289601625105 2.7663e-05 deg
tp 2459581.535983827706
(2022-Jan-02.03598383)
9.4712e-05 TDB
period 1212.800446817431
3.32
1.133e-05
3.102e-08
d
yr
n .2968336637281867 2.7731e-09 deg/d
Q 2.4212350481627 1.508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7918 days (21.68 yr)  
   first obs. used      1998-05-16  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:48:10  

Additional Information
 Earth MOID = 1.01435 au 
 Jupiter MOID = 2.64073 au 
 T_jup = 3.640 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457289.5 (2015-Sep-24.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08809355339027707 5.815e-08  
q 2.029505013197129 1.2505e-07 au
tp 2457157.078480967132
(2015-May-14.57848097)
9.0383e-05 TDB
node 301.7590010534181 0.00012247 deg
peri 329.1253770171218 0.00012551 deg
i 2.394872215646569 5.4172e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7918 days (21.68 yr)  
   first obs. used      1998-05-16  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:48:10  

Additional Information
 Jupiter MOID = 2.64073 au 
 T_jup = 3.640 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.38138874856658E-15 -7.240279606229756E-15 -1.824994757663804E-13 -3.225796582630503E-14 -1.116365412094951E-13 1.492342628066507E-15
q -7.240279606229756E-15 1.563844922054924E-14 4.792706363275389E-13 6.916354506154771E-14 2.676663164734649E-13 -3.152500154279472E-15
tp -1.824994757663804E-13 4.792706363275389E-13 8.169056110525471E-9 -9.441434955288149E-12 2.503445784867389E-9 -1.601053775628735E-12
node -3.225796582630503E-14 6.916354506154771E-14 -9.441434955288149E-12 1.499949028960545E-8 -1.498787380738202E-8 -1.567135130704106E-10
peri -1.116365412094951E-13 2.676663164734649E-13 2.503445784867389E-9 -1.498787380738202E-8 1.575362966840449E-8 1.560487768018434E-10
i 1.492342628066507E-15 -3.152500154279472E-15 -1.601053775628735E-12 -1.567135130704106E-10 1.560487768018434E-10 2.934594457688769E-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 17.1   n/a MPO454981  

266593 (2008 JU)          Discovered 2008-May-01 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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