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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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2004-Feb-25 04:36 < 00:01 Amphi 0.0108455910498392 0.0108445159609488 0.0108466661698746 4.90059861743918 4.90059850927818 2453060.691545210 0.491638331632473 66.3735382650451 36.0538465441326 -44.6399479507934 36073.4583482138 T 26 CATAB v2.0f-lin.ifort 2020-Jan-29 11:24:51 2020-Jan-29 11:24
2093-Oct-24 03:36 00:03 Iris 0.0401517702117255 0.0401468476867022 0.0401566960495119 5.48863079754746 5.48863077146165 2485809.649732089 2.58648608979554 629.458657048889 31.0999606798824 -67.2122436978575 178048.106295613 T 26 CATAB v2.0f-lin.ifort 2020-Jan-29 11:24:51 2020-Jan-29 11:24

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