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249348 (2008 WR97)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249348
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 .06669835742398905 5.5925e-08  
a 3.202244964414978 5.2805e-08 au
q 2.988660485219259 2.0212e-07 au
i 22.89095048720418 7.0597e-06 deg
node 77.46544914515492 1.6051e-05 deg
peri 33.2080614083342 6.6302e-05 deg
M 308.619314895577 6.6329e-05 deg
tp 2459299.229178097294
(2021-Mar-25.72917810)
0.00038984 TDB
period 2093.053136532978
5.73
5.1772e-05
1.417e-07
d
yr
n .1719975445039677 4.2544e-09 deg/d
Q 3.415829443610698 5.6327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      6272 days (17.17 yr)  
   first obs. used      2002-11-05  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 03:15:42  

Additional Information
 Earth MOID = 2.02211 au 
 Jupiter MOID = 1.89118 au 
 T_jup = 3.067 
[ 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 15.1   n/a MPO418331  
diameter diameter 5.780 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249348 (2008 WR97)          Discovered 2008-Nov-19 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 WR97 = 2003 YY148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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