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58650 (1997 WR39)
Classification: Main-belt Asteroid          SPK-ID: 2058650
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059073593172099 3.9993e-08  
a 2.298075392911479 1.0928e-08 au
q 1.824884757245217 9.2236e-08 au
i 6.389064911054727 4.0657e-06 deg
node 88.92093211649326 3.6467e-05 deg
peri 247.5746567755721 3.7353e-05 deg
M 118.2913224977638 9.144e-06 deg
tp 2458182.385506617316
(2018-Mar-04.88550662)
3.1149e-05 TDB
period 1272.462040659083
3.48
9.0762e-06
2.485e-08
d
yr
n .2829161016178799 2.018e-09 deg/d
Q 2.771266028577742 1.3178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      9866 days (27.01 yr)  
   first obs. used      1992-03-01  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:35:40  

Additional Information
 Earth MOID = .825759 au 
 Jupiter MOID = 2.61739 au 
 T_jup = 3.557 
[ 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 15.6   n/a MPO302381  
diameter diameter 1.836 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.398   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58650 (1997 WR39)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WR39 = 2000 MW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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