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71090 (1999 XW132)
Classification: Main-belt Asteroid          SPK-ID: 2071090
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06929318569375893 4.0177e-08  
a 2.961937910303533 1.945e-08 au
q 2.756695796671486 1.1631e-07 au
i 8.823203912076108 4.5748e-06 deg
node 325.5356019507989 2.813e-05 deg
peri 59.0756244108312 4.7753e-05 deg
M 63.23199984813017 3.6169e-05 deg
tp 2458673.463091151185
(2019-Jul-08.96309115)
0.00018768 TDB
period 1861.92572539764
5.10
1.834e-05
5.021e-08
d
yr
n .1933482066923572 1.9044e-09 deg/d
Q 3.167180023935579 2.0797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      967  
   data-arc span      7852 days (21.50 yr)  
   first obs. used      1998-08-03  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:20:37  

Additional Information
 Earth MOID = 1.77111 au 
 Jupiter MOID = 2.1818 au 
 T_jup = 3.244 
[ 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 14.4   n/a MPO502592  
diameter diameter 4.843 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71090 (1999 XW132)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XW132 = 1998 QZ47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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