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243346 (2008 UF157)
Classification: Main-belt Asteroid          SPK-ID: 2243346
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07116993880180758 5.6064e-08  
a 2.757077507451043 2.8035e-08 au
q 2.560856469973912 1.5398e-07 au
i 4.08895277261169 6.3152e-06 deg
node 225.5095239256523 8.8933e-05 deg
peri 267.0129840186887 0.00010036 deg
M 120.8521180286531 4.5683e-05 deg
tp 2458439.163018286423
(2018-Nov-16.66301829)
0.00021101 TDB
period 1672.137126872494
4.58
2.5504e-05
6.983e-08
d
yr
n .2152933477850176 3.2837e-09 deg/d
Q 2.953298544928174 3.003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      5640 days (15.44 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:32:53  

Additional Information
 Earth MOID = 1.57924 au 
 Jupiter MOID = 2.08618 au 
 T_jup = 3.336 
[ 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 16.6   n/a MPO433594  
diameter diameter 2.721 km 0.626 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243346 (2008 UF157)          Discovered 2008-Oct-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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