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JPL Small-Body Database Browser
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71920 (2000 WX54)
Classification: Main-belt Asteroid          SPK-ID: 2071920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06968586919380823 4.8188e-08  
a 2.607548555944697 1.681e-08 au
q 2.425839268358631 1.258e-07 au
i 14.20869915288541 5.5985e-06 deg
node 295.5016339222727 1.7434e-05 deg
peri 235.6977287076649 3.8831e-05 deg
M 80.56505848055032 3.3643e-05 deg
tp 2458256.315538982169
(2018-May-17.81553898)
0.00014441 TDB
period 1537.967057968836
4.21
1.4872e-05
4.072e-08
d
yr
n .234075234664288 2.2635e-09 deg/d
Q 2.789257843530763 1.7981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      6821 days (18.67 yr)  
   first obs. used      1999-09-13  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54879  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:18:28  

Additional Information
 Earth MOID = 1.46317 au 
 Jupiter MOID = 2.31804 au 
 T_jup = 3.365 
[ 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 14.6   n/a MPO257327  
diameter diameter 3.006 km 0.516 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.316   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71920 (2000 WX54)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WX54 = 1999 TD184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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