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308589 (2005 UC522)
Classification: Main-belt Asteroid          SPK-ID: 2308589
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03874752643538797 5.1944e-08  
a 3.072111514169369 3.4678e-08 au
q 2.953074792061632 1.4871e-07 au
i 9.725149550195946 4.8593e-06 deg
node 155.7694419954519 2.9181e-05 deg
peri 8.695828746411825 7.208e-05 deg
M 127.5183759799208 6.7591e-05 deg
tp 2458303.834725924191
(2018-Jul-04.33472592)
0.00036679 TDB
period 1966.77142992146
5.38
3.3301e-05
9.117e-08
d
yr
n .1830410969587737 3.0992e-09 deg/d
Q 3.191148236277107 3.6021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      6743 days (18.46 yr)  
   first obs. used      2002-02-11  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:57:39  

Additional Information
 Earth MOID = 1.96129 au 
 Jupiter MOID = 1.78189 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457620.5 (2016-Aug-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03727513936548874 5.1635e-08  
q 2.953987737067331 1.4747e-07 au
tp 2458284.562259582814
(2018-Jun-15.06225958)
0.0003857 TDB
node 155.959405423319 2.9248e-05 deg
peri 4.866493805174845 7.5221e-05 deg
i 9.715804004526724 4.8539e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      6743 days (18.46 yr)  
   first obs. used      2002-02-11  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:57:39  

Additional Information
 Jupiter MOID = 1.78189 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.666184383911979E-15 -7.456447814534167E-15 2.315026467619385E-12 1.495934351315504E-14 2.609672443053558E-13 2.550204640782506E-16
q -7.456447814534167E-15 2.174638652195878E-14 -3.915091101842856E-12 -4.361111890813419E-14 -3.198745159067677E-13 2.417452163037797E-16
tp 2.315026467619385E-12 -3.915091101842856E-12 1.487648122352302E-7 1.777972724760196E-11 2.673116317764156E-8 -2.149725356398126E-11
node 1.495934351315504E-14 -4.361111890813419E-14 1.777972724760196E-11 8.554537354528256E-10 -8.404506299075932E-10 -1.985961055299469E-11
peri 2.609672443053558E-13 -3.198745159067677E-13 2.673116317764156E-8 -8.404506299075932E-10 5.658143236222605E-9 1.560486355250823E-11
i 2.550204640782506E-16 2.417452163037797E-16 -2.149725356398126E-11 -1.985961055299469E-11 1.560486355250823E-11 2.356073033190706E-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 15.7   n/a MPO440448  

308589 (2005 UC522)          Discovered 2005-Oct-26 by Becker, A. C. at Apache Point
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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