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10408 (1997 WL44)
Classification: Main-belt Asteroid          SPK-ID: 2010408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647005363643984 3.5926e-08  
a 3.048069164515555 1.3354e-08 au
q 2.54605053824406 1.0952e-07 au
i .9327727645100966 3.9866e-06 deg
node 173.2744992149578 0.00020106 deg
peri 231.7241587394861 0.00020134 deg
M 171.0376184802873 1.0478e-05 deg
tp 2458473.025743701737
(2018-Dec-20.52574370)
5.5231e-05 TDB
period 1943.728726003576
5.32
1.2774e-05
3.497e-08
d
yr
n .1852110303170658 1.2171e-09 deg/d
Q 3.550087790787051 1.5553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1992  
   data-arc span      10873 days (29.77 yr)  
   first obs. used      1991-09-04  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49714  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:20:46  

Additional Information
 Earth MOID = 1.55491 au 
 Jupiter MOID = 1.84772 au 
 T_jup = 3.217 
[ 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 13.77   n/a MPCxxxxx  
diameter diameter 8.559 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10408 (1997 WL44)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WL44 = 1991 RC15 = 1996 PL4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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