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123415 (2000 WN99)
Classification: Main-belt Asteroid          SPK-ID: 2123415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103673033498105 4.4052e-08  
a 2.735386056673087 2.1708e-08 au
q 2.451800286389369 1.2156e-07 au
i 4.090423342580635 5.3896e-06 deg
node 268.9303945337805 8.0988e-05 deg
peri 162.7631867275565 8.871e-05 deg
M 113.471360029134 3.5672e-05 deg
tp 2458479.653044969488
(2018-Dec-27.15304497)
0.00016143 TDB
period 1652.442552577515
4.52
1.967e-05
5.385e-08
d
yr
n .2178593134378343 2.5934e-09 deg/d
Q 3.018971826956805 2.3958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      7097 days (19.43 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52622  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:00:03  

Additional Information
 Earth MOID = 1.46684 au 
 Jupiter MOID = 2.21737 au 
 T_jup = 3.341 
[ 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 15.7   n/a MPO453706  
diameter diameter 4.152 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123415 (2000 WN99)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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