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39098 (2000 WR12)
Classification: Main-belt Asteroid          SPK-ID: 2039098
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471354806920184 4.0484e-08  
a 2.715004680520301 1.7128e-08 au
q 2.315531161770866 1.1172e-07 au
i 9.272028094920135 6.0738e-06 deg
node 163.5346953205982 2.6989e-05 deg
peri 241.8263625526107 3.4064e-05 deg
M 56.68761583530241 2.1327e-05 deg
tp 2458343.199878148706
(2018-Aug-12.69987815)
9.5986e-05 TDB
period 1634.008460253171
4.47
1.5462e-05
4.233e-08
d
yr
n .2203170967329154 2.0848e-09 deg/d
Q 3.114478199269735 1.9648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      630  
   data-arc span      8577 days (23.48 yr)  
   first obs. used      1995-08-19  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6043  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:05:01  

Additional Information
 Earth MOID = 1.34003 au 
 Jupiter MOID = 2.34663 au 
 T_jup = 3.327 
[ 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 15.2   n/a MPO431941  
diameter diameter 2.301 km 0.494 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39098 (2000 WR12)          Discovered 2000-Nov-22 by JPL/NEAT at Haleakala
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

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