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308581 (2005 UK482)
Classification: Main-belt Asteroid          SPK-ID: 2308581
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 .02685727142706022 4.8803e-08  
a 3.045066153717877 4.0025e-08 au
q 2.963283985514122 1.671e-07 au
i 7.865283022476312 6.0924e-06 deg
node 259.2466700914681 3.8986e-05 deg
peri 74.65775117255383 0.00012878 deg
M 313.4612151523899 0.00012519 deg
tp 2459251.403121047099
(2021-Feb-05.90312105)
0.00067658 TDB
period 1940.85694056522
5.31
3.8267e-05
1.048e-07
d
yr
n .1854850774808575 3.6571e-09 deg/d
Q 3.126848321921633 4.11e-08 au
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      5406 days (14.80 yr)  
   first obs. used      2005-09-30  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:57:39  

Additional Information
 Earth MOID = 1.96361 au 
 Jupiter MOID = 2.00397 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457372.5 (2015-Dec-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02735170597345528 4.9121e-08  
q 2.958085126714015 1.6629e-07 au
tp 2457345.671479932833
(2015-Nov-19.17147993)
0.00065304 TDB
node 259.2678599687876 3.8979e-05 deg
peri 80.57516947189836 0.00012663 deg
i 7.86833348295126 6.0985e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      5406 days (14.80 yr)  
   first obs. used      2005-09-30  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:57:39  

Additional Information
 Jupiter MOID = 2.00397 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.412845979688991E-15 -7.974265205396522E-15 2.547458984277259E-12 7.939316699410349E-15 5.139851322256446E-13 -1.669767341893009E-16
q -7.974265205396522E-15 2.765213072263635E-14 -4.427089257405104E-13 -1.998719037199427E-14 -2.324907047448812E-13 1.739043048327134E-15
tp 2.547458984277259E-12 -4.427089257405104E-13 4.264568423684861E-7 1.124786594961835E-10 7.87107021815715E-8 2.461456204495777E-11
node 7.939316699410349E-15 -1.998719037199427E-14 1.124786594961835E-10 1.519338522464802E-9 -1.483944397207304E-9 -6.654636252691917E-11
peri 5.139851322256446E-13 -2.324907047448812E-13 7.87107021815715E-8 -1.483944397207304E-9 1.603401215444937E-8 7.049784914291426E-11
i -1.669767341893009E-16 1.739043048327134E-15 2.461456204495777E-11 -6.654636252691917E-11 7.049784914291426E-11 3.719168268656248E-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 15.3   n/a MPO437367  

308581 (2005 UK482)          Discovered 2005-Oct-22 by NEAT at Palomar
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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