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JPL Small-Body Database Browser
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71116 (1999 XO157)
Classification: Main-belt Asteroid          SPK-ID: 2071116
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09603723540512708 4.5788e-08  
a 3.148381339792413 2.7649e-08 au
q 2.84601949991766 1.4817e-07 au
i 4.569688958652887 5.3571e-06 deg
node 211.2440512050137 6.0098e-05 deg
peri 287.0573002084519 6.5655e-05 deg
M 123.4480443509275 2.7038e-05 deg
tp 2457900.801190573813
(2017-May-27.30119057)
0.00015137 TDB
period 2040.466276463412
5.59
2.6879e-05
7.359e-08
d
yr
n .1764302621183042 2.3241e-09 deg/d
Q 3.450743179667167 3.0305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      8940 days (24.48 yr)  
   first obs. used      1993-11-21  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:37:22  

Additional Information
 Earth MOID = 1.86411 au 
 Jupiter MOID = 1.60277 au 
 T_jup = 3.196 
[ 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 14.6   n/a MPO432265  

71116 (1999 XO157)          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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