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295729 (2008 UG61)
Classification: Main-belt Asteroid          SPK-ID: 2295729
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01278921707016954 4.2975e-08  
a 2.684161642351189 2.0611e-08 au
q 2.649833316455736 1.1615e-07 au
i 3.988862691954815 4.7543e-06 deg
node 268.77930786127 7.6768e-05 deg
peri 156.5800604718076 0.00022653 deg
M 209.3137937323185 0.00021252 deg
tp 2459672.829897218282
(2022-Apr-03.32989722)
0.00094922 TDB
period 1606.243656891991
4.40
1.8501e-05
5.065e-08
d
yr
n .2241253986936103 2.5815e-09 deg/d
Q 2.718489968246641 2.0875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      9950 days (27.24 yr)  
   first obs. used      1992-01-09  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:41:58  

Additional Information
 Earth MOID = 1.66326 au 
 Jupiter MOID = 2.31407 au 
 T_jup = 3.371 
[ 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 16.2   n/a MPO433906  

295729 (2008 UG61)          Discovered 2008-Oct-21 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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