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357858 (2005 UG258)
Classification: Outer Main-belt Asteroid          SPK-ID: 2357858
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077247572090041 7.7623e-08  
a 3.213453834021898 5.7441e-08 au
q 2.867285299949546 2.5468e-07 au
i 10.36703039036777 1.0212e-05 deg
node 52.73151809020573 4.3928e-05 deg
peri 20.87226583862197 6.5256e-05 deg
M 166.822027201583 5.0906e-05 deg
tp 2458025.493708733552
(2017-Sep-28.99370873)
0.00028415 TDB
period 2104.052269019486
5.76
5.6415e-05
1.545e-07
d
yr
n .1710984110521952 4.5876e-09 deg/d
Q 3.55962236809425 6.3629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      4929 days (13.49 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58883  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:35:31  

Additional Information
 Earth MOID = 1.88439 au 
 Jupiter MOID = 1.77787 au 
 T_jup = 3.156 
[ show covariance matrix ]

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 15.9   n/a MPO434259  

357858 (2005 UG258)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2005 UG258 = 2011 UM146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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