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123492 (2000 WL171)
Classification: Main-belt Asteroid          SPK-ID: 2123492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2178109465199825 5e-08  
a 2.70921615954191 2.0378e-08 au
q 2.119119223504855 1.3274e-07 au
i 10.25779689094481 5.8432e-06 deg
node 100.1324460483531 3.1394e-05 deg
peri 253.188704513982 3.4285e-05 deg
M 163.8382013546551 1.5102e-05 deg
tp 2458259.229727604344
(2018-May-20.72972760)
6.6407e-05 TDB
period 1628.785569275014
4.46
1.8377e-05
5.031e-08
d
yr
n .221023569210672 2.4938e-09 deg/d
Q 3.299313095578966 2.4817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-09-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:01:13  

Additional Information
 Earth MOID = 1.14035 au 
 Jupiter MOID = 2.21427 au 
 T_jup = 3.307 
[ 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 MPO417643  
diameter diameter 4.679 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123492 (2000 WL171)          Discovered 2000-Nov-25 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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