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357894 (2005 UO520)
Classification: Main-belt Asteroid          SPK-ID: 2357894
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 .04051181278422633 8.8181e-08  
a 2.99794444768941 5.0914e-08 au
q 2.876492283487106 2.8076e-07 au
i 9.974139748872165 8.4505e-06 deg
node 173.9260242437473 4.4951e-05 deg
peri 129.0836088353627 0.00012361 deg
M 7.747666764795838 0.00011265 deg
tp 2458959.696047749709
(2020-Apr-20.19604775)
0.00059339 TDB
period 1895.9802035951
5.19
4.8299e-05
1.322e-07
d
yr
n .189875400237502 4.837e-09 deg/d
Q 3.119396611891715 5.2977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5895 days (16.14 yr)  
   first obs. used      2003-04-09  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52087  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:33:31  

Additional Information
 Earth MOID = 1.87429 au 
 Jupiter MOID = 2.00003 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457410.5 (2016-Jan-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04085088668457491 8.8936e-08  
q 2.874426402168031 2.8279e-07 au
tp 2457083.826868354460
(2015-Mar-02.32686835)
0.00059346 TDB
node 174.1003476653685 4.4941e-05 deg
peri 132.6099279398141 0.00012207 deg
i 9.975134390387142 8.4563e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5895 days (16.14 yr)  
   first obs. used      2003-04-09  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52087  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:33:31  

Additional Information
 Jupiter MOID = 2.00003 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.909698912924278E-15 -2.480866199131563E-14 6.722476114152008E-12 4.595052105647228E-14 1.67925072104471E-12 -5.749974018911054E-15
q -2.480866199131563E-14 7.996758767485084E-14 -2.544172690079215E-11 -1.449507107124761E-13 -6.024022877559438E-12 1.995530568077403E-14
tp 6.722476114152008E-12 -2.544172690079215E-11 3.521936239053371E-7 1.81495247824475E-12 6.737180068236823E-8 1.636209343432985E-10
node 4.595052105647228E-14 -1.449507107124761E-13 1.81495247824475E-12 2.019712803558241E-9 -1.985994899714434E-9 7.458152348738418E-11
peri 1.67925072104471E-12 -6.024022877559438E-12 6.737180068236823E-8 -1.985994899714434E-9 1.490022814568271E-8 -4.250220016453385E-11
i -5.749974018911054E-15 1.995530568077403E-14 1.636209343432985E-10 7.458152348738418E-11 -4.250220016453385E-11 7.150892256082356E-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 16.2   n/a MPO437512  

357894 (2005 UO520)          Discovered 2005-Oct-26 by Becker, A. C. at Apache Point
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2005 UO520 = 2008 CE198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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