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JPL Small-Body Database Browser
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71132 (1999 XB177)
Classification: Main-belt Asteroid          SPK-ID: 2071132
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09229864697295438 4.6441e-08  
a 2.774795343220437 1.8349e-08 au
q 2.518685487414336 1.3075e-07 au
i 10.51344193916008 5.373e-06 deg
node 47.59688864165256 2.4838e-05 deg
peri 5.072401425916517 3.6503e-05 deg
M 207.4357028383074 2.8497e-05 deg
tp 2459715.976335907577
(2022-May-16.47633591)
0.00013719 TDB
period 1688.281503068473
4.62
1.6746e-05
4.585e-08
d
yr
n .2132345816415659 2.1151e-09 deg/d
Q 3.030905199026537 2.0043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      7522 days (20.59 yr)  
   first obs. used      1998-09-28  
   last obs. used      2019-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:27  

Additional Information
 Earth MOID = 1.52963 au 
 Jupiter MOID = 2.33482 au 
 T_jup = 3.305 
[ 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 MPO337798  

71132 (1999 XB177)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XB177 = 2001 HM32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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