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249330 (2008 UZ340)
Classification: Main-belt Asteroid          SPK-ID: 2249330
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06072461176173279 4.9589e-08  
a 3.080289491962021 3.7324e-08 au
q 2.893240108448881 1.6572e-07 au
i 17.69394689619764 6.2935e-06 deg
node 96.94630887788384 1.6227e-05 deg
peri 67.89702716795996 5.3391e-05 deg
M 346.0389013343791 5.0076e-05 deg
tp 2459077.077789163681
(2020-Aug-15.57778916)
0.0002749 TDB
period 1974.629988599042
5.41
3.589e-05
9.826e-08
d
yr
n .1823126368375537 3.3137e-09 deg/d
Q 3.26733887547516 3.9591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      2004-02-10  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:42:45  

Additional Information
 Earth MOID = 1.95409 au 
 Jupiter MOID = 1.95877 au 
 T_jup = 3.153 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457734.5 (2016-Dec-12.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06174071151237422 4.961e-08  
q 2.888873574464732 1.6569e-07 au
tp 2457102.198645195985
(2015-Mar-20.69864520)
0.00026617 TDB
node 96.96478772149514 1.623e-05 deg
peri 67.80692115493005 5.2566e-05 deg
i 17.69495868349392 6.2938e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      2004-02-10  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:42:45  

Additional Information
 Jupiter MOID = 1.95877 au 
 T_jup = 3.153 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.461133311313775E-15 -8.049897079554723E-15 -2.395975814148075E-12 9.72438515988378E-15 -4.436463697896785E-13 -6.657486155524124E-15
q -8.049897079554723E-15 2.745407061760651E-14 7.751762023581877E-12 -3.190174577973691E-14 1.503828631488342E-12 2.552529179319422E-14
tp -2.395975814148075E-12 7.751762023581877E-12 7.084616510662247E-8 -5.669484663406361E-12 1.332183661155653E-8 3.231102392728322E-11
node 9.72438515988378E-15 -3.190174577973691E-14 -5.669484663406361E-12 2.634205413035709E-10 -2.517639070339425E-10 9.180686360627489E-12
peri -4.436463697896785E-13 1.503828631488342E-12 1.332183661155653E-8 -2.517639070339425E-10 2.763144209857256E-9 -2.567377658245984E-12
i -6.657486155524124E-15 2.552529179319422E-14 3.231102392728322E-11 9.180686360627489E-12 -2.567377658245984E-12 3.961212824389844E-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 15.5   n/a MPO418331  
diameter diameter 3.247 km 0.554 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249330 (2008 UZ340)          Discovered 2008-Oct-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UZ340 = 2004 CV56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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