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233807 (2008 UK144)
Classification: Main-belt Asteroid          SPK-ID: 2233807
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03217222932377155 4.9408e-08  
a 2.765427930521296 3.1609e-08 au
q 2.676457948962202 1.338e-07 au
i 1.118426854885325 6.327e-06 deg
node 125.4678104201272 0.00048535 deg
peri 159.4499312297127 0.00053351 deg
M 220.744039320211 0.00022527 deg
tp 2459250.260396363846
(2021-Feb-04.76039636)
0.0010534 TDB
period 1679.739535378709
4.60
2.8799e-05
7.885e-08
d
yr
n .2143189419655087 3.6745e-09 deg/d
Q 2.85439791208039 3.2626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5619 days (15.38 yr)  
   first obs. used      2003-09-21  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:28:51  

Additional Information
 Earth MOID = 1.65944 au 
 Jupiter MOID = 2.17851 au 
 T_jup = 3.339 
[ 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 16.7   n/a MPO427344  
diameter diameter 2.958 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233807 (2008 UK144)          Discovered 2008-Oct-23 by Spacewatch at Kitt Peak
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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