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JPL Small-Body Database Browser
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249321 (2008 UO215)
Classification: Main-belt Asteroid          SPK-ID: 2249321
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03011227916628545 5.4439e-08  
a 3.151180329281357 4.2733e-08 au
q 3.05629110750273 1.6975e-07 au
i 11.84654514722264 4.6209e-06 deg
node 256.8635397336536 3.0205e-05 deg
peri 231.1887601511193 9.382e-05 deg
M 227.795084735268 8.9857e-05 deg
tp 2459350.831904804268
(2021-May-16.33190480)
0.00051555 TDB
period 2043.187919213437
5.59
4.1561e-05
1.138e-07
d
yr
n .1761952469543715 3.5841e-09 deg/d
Q 3.246069551059985 4.402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      8451 days (23.14 yr)  
   first obs. used      1996-10-04  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:47:24  

Additional Information
 Earth MOID = 2.08675 au 
 Jupiter MOID = 1.92112 au 
 T_jup = 3.174 
[ 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 15.0   n/a MPO411058  
diameter diameter 3.946 km 1.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249321 (2008 UO215)          Discovered 2008-Oct-24 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UO215 = 2002 TB190 = 2005 EP199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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