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58649 (1997 WL38)
Classification: Main-belt Asteroid          SPK-ID: 2058649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124723685450857 3.3447e-08  
a 2.453545480473728 9.0469e-09 au
q 2.14753024572775 8.1372e-08 au
i 4.015810718422497 4.6611e-06 deg
node 247.1872355730613 4.3494e-05 deg
peri 110.6047638916744 4.7165e-05 deg
M 54.3992539692879 1.7449e-05 deg
tp 2458988.380771411271
(2020-May-18.88077141)
6.8073e-05 TDB
period 1403.749439928984
3.84
7.7641e-06
2.126e-08
d
yr
n .2564560239598119 1.4184e-09 deg/d
Q 2.759560715219705 1.0175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1379  
   data-arc span      10926 days (29.91 yr)  
   first obs. used      1991-02-19  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:44:03  

Additional Information
 Earth MOID = 1.14603 au 
 Jupiter MOID = 2.68687 au 
 T_jup = 3.480 
[ 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 14.99   n/a E2021B10  
diameter diameter 5.794 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58649 (1997 WL38)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WL38 = 2001 VT45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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