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160660 (1999 XX204)
Classification: Main-belt Asteroid          SPK-ID: 2160660
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3077606845318723 4.819e-08  
a 2.645986674996187 1.2724e-08 au
q 1.831656004637148 1.2844e-07 au
i 10.9515171745127 7.3574e-06 deg
node 333.7451118762357 3.1372e-05 deg
peri 55.62841397343529 3.4263e-05 deg
M 313.3522071673105 1.1883e-05 deg
tp 2459204.208197023356
(2020-Dec-20.70819702)
5.2453e-05 TDB
period 1572.099052819857
4.30
1.1339e-05
3.104e-08
d
yr
n .2289932045657505 1.6517e-09 deg/d
Q 3.460317345355226 1.6639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1999-12-12  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 12:20:28  

Additional Information
 Earth MOID = .860298 au 
 Jupiter MOID = 2.13383 au 
 T_jup = 3.299 
[ 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 15.5   n/a MPO396308  

160660 (1999 XX204)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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