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243340 (2008 UF8)
Classification: Main-belt Asteroid          SPK-ID: 2243340
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2385787123546376 4.5027e-08  
a 2.735753120506586 2.634e-08 au
q 2.083060663695943 1.2927e-07 au
i 15.96769985580891 1.6318e-05 deg
node 11.37282007348003 2.1867e-05 deg
peri 69.31399642837346 4.9755e-05 deg
M 159.7918113905379 4.0056e-05 deg
tp 2458266.889056998838
(2018-May-28.38905700)
0.00017959 TDB
period 1652.775177790225
4.53
2.3869e-05
6.535e-08
d
yr
n .2178154686963069 3.1457e-09 deg/d
Q 3.38844557731723 3.2624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      7140 days (19.55 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:19:46  

Additional Information
 Earth MOID = 1.15539 au 
 Jupiter MOID = 2.20047 au 
 T_jup = 3.256 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO281336  
diameter diameter 2.969 km 0.475 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243340 (2008 UF8)          Discovered 2008-Oct-17 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2008 UF8 = 1999 TF277 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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