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249327 (2008 UC317)
Classification: Main-belt Asteroid          SPK-ID: 2249327
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1386236531117368 6.8584e-08  
a 3.162877974923634 3.6268e-08 au
q 2.724428275693068 2.2283e-07 au
i 17.40243566265849 8.4348e-06 deg
node 116.1513899492435 1.8732e-05 deg
peri 7.586416215201462 2.9273e-05 deg
M 12.97835985653787 2.2188e-05 deg
tp 2458926.430503334444
(2020-Mar-17.93050333)
0.00012617 TDB
period 2054.575392757949
5.63
3.5339e-05
9.675e-08
d
yr
n .1752186857045707 3.0138e-09 deg/d
Q 3.601327674154201 4.1296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      10248 days (28.06 yr)  
   first obs. used      1992-01-09  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57733  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:01  

Additional Information
 Earth MOID = 1.74117 au 
 Jupiter MOID = 1.50676 au 
 T_jup = 3.119 
[ 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 15.4   n/a MPO418331  
diameter diameter 5.123 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249327 (2008 UC317)          Discovered 2008-Oct-30 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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