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JPL Small-Body Database Browser
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66228 (1999 CY109)
Classification: Main-belt Asteroid          SPK-ID: 2066228
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1015840482233252 4.1731e-08  
a 2.376335136817521 9.7214e-09 au
q 2.134937393684267 1.0284e-07 au
i 5.730323673078583 4.1857e-06 deg
node 230.0735486619888 4.6807e-05 deg
peri 197.7798341035348 5.4197e-05 deg
M 358.0582485912981 2.8708e-05 deg
tp 2459007.716906676872
(2020-Jun-07.21690668)
0.00010672 TDB
period 1338.011854674493
3.66
8.2105e-06
2.248e-08
d
yr
n .2690559121298515 1.651e-09 deg/d
Q 2.617732879950774 1.0709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      10624 days (29.09 yr)  
   first obs. used      1990-10-24  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5587  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:58:46  

Additional Information
 Earth MOID = 1.14942 au 
 Jupiter MOID = 2.63474 au 
 T_jup = 3.528 
[ 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 MPO453058  

66228 (1999 CY109)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CY109 = 2001 SM281 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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