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295822 (2008 UJ344)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295822
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2648229777744084 6.2797e-08  
a 3.20723809303084 3.741e-08 au
q 2.357887750802898 2.1242e-07 au
i 26.89372102094603 7.9747e-06 deg
node 91.48615577050667 1.6186e-05 deg
peri 254.9480585003456 2.1902e-05 deg
M 48.02508451401343 1.4218e-05 deg
tp 2458720.627088264892
(2019-Aug-25.12708827)
8.3052e-05 TDB
period 2097.950461601779
5.74
3.6707e-05
1.005e-07
d
yr
n .1715960441340169 3.0023e-09 deg/d
Q 4.056588435258782 4.7317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      10219 days (27.98 yr)  
   first obs. used      1991-12-08  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5671  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:41  

Additional Information
 Earth MOID = 1.49549 au 
 Jupiter MOID = 1.82582 au 
 T_jup = 2.973 
[ 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 14.8   n/a MPO455187  
diameter diameter 7.105 km 0.812 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295822 (2008 UJ344)          Discovered 2008-Oct-30 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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