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173338 (1999 XY12)
Classification: Main-belt Asteroid          SPK-ID: 2173338
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694625178497211 3.8262e-08  
a 2.58368066284072 1.4307e-08 au
q 2.145843632396095 9.7674e-08 au
i 8.190313839509017 5.3845e-06 deg
node 118.823242987662 2.8367e-05 deg
peri 323.1906355603355 3.2913e-05 deg
M 326.4725892466939 1.8563e-05 deg
tp 2459141.771381918118
(2020-Oct-19.27138192)
7.8854e-05 TDB
period 1516.899049101412
4.15
1.26e-05
3.45e-08
d
yr
n .2373262744236398 1.9713e-09 deg/d
Q 3.021517693285344 1.6732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      1999-11-05  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59428  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:46:03  

Additional Information
 Earth MOID = 1.16819 au 
 Jupiter MOID = 2.21129 au 
 T_jup = 3.389 
[ 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 15.6   n/a MPO493969  

173338 (1999 XY12)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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