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249322 (2008 UZ217)
Classification: Main-belt Asteroid          SPK-ID: 2249322
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04457560311120736 5.9016e-08  
a 3.131427812173335 4.0579e-08 au
q 2.9918425288465 1.8529e-07 au
i 15.63655975944922 6.2775e-06 deg
node 236.4222113196658 2.1314e-05 deg
peri 298.8627158117844 6.8712e-05 deg
M 266.2175057018199 6.7081e-05 deg
tp 2459527.767875510971
(2021-Nov-09.26787551)
0.00038087 TDB
period 2024.007109263174
5.54
3.9342e-05
1.077e-07
d
yr
n .1778649879006876 3.4573e-09 deg/d
Q 3.27101309550017 4.2388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-02-17  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57274  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:33  

Additional Information
 Earth MOID = 2.01982 au 
 Jupiter MOID = 1.79463 au 
 T_jup = 3.154 
[ 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 14.7   n/a MPO352521  
diameter diameter 6.801 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249322 (2008 UZ217)          Discovered 2008-Oct-25 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UZ217 = 2002 TR114 = 2007 RR276 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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