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233823 (2008 UM208)
Classification: Main-belt Asteroid          SPK-ID: 2233823
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01504108715357956 6.2281e-08  
a 2.914369238452098 2.9637e-08 au
q 2.870533956738829 1.8077e-07 au
i 2.927316148397989 6.0739e-06 deg
node .9303384630506123 0.00011781 deg
peri 167.1863605043015 0.00022194 deg
M 352.7358198762207 0.00018854 deg
tp 2459037.169027477947
(2020-Jul-06.66902748)
0.00095178 TDB
period 1817.252555294953
4.98
2.772e-05
7.589e-08
d
yr
n .1981012484759276 3.0218e-09 deg/d
Q 2.958204520165368 3.0083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      5948 days (16.28 yr)  
   first obs. used      2003-10-21  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:24:29  

Additional Information
 Earth MOID = 1.87447 au 
 Jupiter MOID = 2.00297 au 
 T_jup = 3.280 
[ 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 16.3   n/a MPO418249  
diameter diameter 3.647 km 0.841 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233823 (2008 UM208)          Discovered 2008-Oct-23 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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