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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09305573659313768 4.6421e-08  
a 2.772969527385892 1.8569e-08 au
q 2.514928805464673 1.3058e-07 au
i 10.51798868052098 5.3754e-06 deg
node 47.60131605871281 2.4827e-05 deg
peri 5.168638937986526 3.6334e-05 deg
M 121.962063287722 2.7887e-05 deg
tp 2458029.102501693126
(2017-Oct-02.60250169)
0.00012823 TDB
period 1686.615442911934
4.62
1.6941e-05
4.638e-08
d
yr
n .2134452174696453 2.1439e-09 deg/d
Q 3.031010249307111 2.0297e-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 = 1.52544 au 
 Jupiter MOID = 2.33456 au 
 T_jup = 3.306 
[ 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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