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JPL Small-Body Database Browser
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6388 (1989 WL1)
Classification: Main-belt Asteroid          SPK-ID: 2006388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466724882236633 4.27e-08  
a 2.590832104000197 9.9562e-09 au
q 2.210828312736739 1.0883e-07 au
i 12.56789492116567 4.0817e-06 deg
node 234.338988392222 1.5155e-05 deg
peri 173.9598056352402 1.9361e-05 deg
M 125.7578380531327 1.0822e-05 deg
tp 2458468.404123146168
(2018-Dec-15.90412315)
4.5588e-05 TDB
period 1523.201405438028
4.17
8.7802e-06
2.404e-08
d
yr
n .2363443197431102 1.3624e-09 deg/d
Q 2.970835895263655 1.1417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2395  
   data-arc span      25520 days (69.87 yr)  
   first obs. used      1950-06-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:33:14  

Additional Information
 Earth MOID = 1.22165 au 
 Jupiter MOID = 2.40666 au 
 T_jup = 3.371 
[ 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 12.6   n/a MPO425869  
diameter diameter 7.582 km 1.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.870 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Klinglesmith, D.A. III; DeHart, A.; Hanowell, J.; Hendrickx, S. (2015) Minor Planet Bull. 42, 158-159.]
geometric albedo albedo 0.443   0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

6388 (1989 WL1)          Discovered 1989-Nov-25 by Ueda, S., Kaneda, H. at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 WL1 = 1964 VW2 = 1972 TZ5 = 1993 UK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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