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JPL Small-Body Database Browser
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233838 (2008 UY278)
Classification: Main-belt Asteroid          SPK-ID: 2233838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447097740705546 5.1302e-08  
a 3.099700135775932 4.0746e-08 au
q 2.65114322944133 1.6571e-07 au
i 1.96058238326634 8.5664e-06 deg
node 57.53948921130748 0.00023716 deg
peri 57.01519627058778 0.00024025 deg
M 270.6490948138849 3.8113e-05 deg
tp 2459095.237016979722
(2020-Sep-02.73701698)
0.00021571 TDB
period 1993.324250512203
5.46
3.9304e-05
1.076e-07
d
yr
n .1806028296236775 3.5611e-09 deg/d
Q 3.548257042110535 4.6642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      5775 days (15.81 yr)  
   first obs. used      2004-01-13  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:54:47  

Additional Information
 Earth MOID = 1.66851 au 
 Jupiter MOID = 1.55583 au 
 T_jup = 3.205 
[ 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 16.1   n/a MPO454691  
diameter diameter 3.303 km 0.337 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233838 (2008 UY278)          Discovered 2008-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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