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JPL Small-Body Database Browser
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71089 (1999 XH132)
Classification: Main-belt Asteroid          SPK-ID: 2071089
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650910546820237 4.6771e-08  
a 2.588405987911325 1.4324e-08 au
q 2.161083313421779 1.2643e-07 au
i 13.60752333460102 4.5562e-06 deg
node 65.26635896884601 1.8767e-05 deg
peri 314.3179654827246 2.2584e-05 deg
M 20.3250351956245 1.5567e-05 deg
tp 2458914.623205325497
(2020-Mar-06.12320533)
6.539e-05 TDB
period 1521.062363989234
4.16
1.2626e-05
3.457e-08
d
yr
n .2366766863232624 1.9646e-09 deg/d
Q 3.015728662400872 1.6688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1296  
   data-arc span      15010 days (41.10 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:24:13  

Additional Information
 Earth MOID = 1.18818 au 
 Jupiter MOID = 2.47101 au 
 T_jup = 3.362 
[ 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 14.2   n/a MPO449448  
diameter diameter 4.123 km 0.903 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.314   0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71089 (1999 XH132)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XH132 = 1978 WG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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