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JPL Small-Body Database Browser
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71029 (1999 XS66)
Classification: Main-belt Asteroid          SPK-ID: 2071029
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07677014018026662 4.6868e-08  
a 2.698047734487138 1.5403e-08 au
q 2.49091823169751 1.2676e-07 au
i 3.173213794373343 4.9139e-06 deg
node 253.1669804040712 8.7612e-05 deg
peri 151.1834416451082 9.2933e-05 deg
M 160.9515310429861 3.2679e-05 deg
tp 2457876.788486407770
(2017-May-03.28848641)
0.0001444 TDB
period 1618.724240800294
4.43
1.3862e-05
3.795e-08
d
yr
n .2223973614072875 1.9045e-09 deg/d
Q 2.905177237276767 1.6586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      10394 days (28.46 yr)  
   first obs. used      1990-11-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59795  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:13  

Additional Information
 Earth MOID = 1.49997 au 
 Jupiter MOID = 2.3917 au 
 T_jup = 3.362 
[ 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 15.2   n/a MPO436279  

71029 (1999 XS66)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XS66 = 1996 BN9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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