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JPL Small-Body Database Browser
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71111 (1999 XO155)
Classification: Main-belt Asteroid          SPK-ID: 2071111
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05996065652603785 4.1632e-08  
a 3.106710265152674 2.891e-08 au
q 2.920429878017938 1.2993e-07 au
i 9.378312030812891 5.1316e-06 deg
node 234.0987714209049 2.8367e-05 deg
peri 53.95673438463781 5.3218e-05 deg
M 51.63314330043626 4.6974e-05 deg
tp 2458713.636284361742
(2019-Aug-18.13628436)
0.00025973 TDB
period 2000.090078360587
5.48
2.7918e-05
7.644e-08
d
yr
n .1799918933126657 2.5124e-09 deg/d
Q 3.292990652287409 3.0643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      9004 days (24.65 yr)  
   first obs. used      1993-10-11  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58829  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:15:43  

Additional Information
 Earth MOID = 1.91625 au 
 Jupiter MOID = 1.80265 au 
 T_jup = 3.197 
[ 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 14.4   n/a MPO436280  

71111 (1999 XO155)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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