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295927 (2008 WZ137)
Classification: Main-belt Asteroid          SPK-ID: 2295927
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166508763290908 6.5544e-08  
a 3.148153443020287 3.1873e-08 au
q 2.623958306572965 2.0488e-07 au
i 7.241323328543496 5.4981e-06 deg
node 121.1880490759026 5.4336e-05 deg
peri 280.5714534051734 5.8804e-05 deg
M 44.49774904581927 1.8087e-05 deg
tp 2458748.315838850440
(2019-Sep-21.81583885)
0.00010274 TDB
period 2040.244730589834
5.59
3.0984e-05
8.483e-08
d
yr
n .1764494203084765 2.6796e-09 deg/d
Q 3.672348579467609 3.718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-06-18  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53475  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:34  

Additional Information
 Earth MOID = 1.64484 au 
 Jupiter MOID = 1.78653 au 
 T_jup = 3.175 
[ 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 15.6   n/a MPO455188  
rotation period rot_per 6.44 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]

295927 (2008 WZ137)          Discovered 2008-Nov-30 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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