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390543 (1999 YU2)
Classification: Main-belt Asteroid          SPK-ID: 2390543
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105824952639376 4.3347e-08  
a 2.247428158286291 1.4043e-08 au
q 1.998901944616558 1.0346e-07 au
i 6.920866725751229 5.2562e-06 deg
node 94.86329120179839 3.9345e-05 deg
peri 35.96736364404764 4.9944e-05 deg
M 3.206682680317752 2.8592e-05 deg
tp 2458989.538231171303
(2020-May-20.03823117)
9.7724e-05 TDB
period 1230.629024366015
3.37
1.1534e-05
3.158e-08
d
yr
n .2925333247242903 2.7418e-09 deg/d
Q 2.495954371956025 1.5596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      7369 days (20.18 yr)  
   first obs. used      1999-12-12  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53206  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:40:07  

Additional Information
 Earth MOID = 1.01851 au 
 Jupiter MOID = 2.55075 au 
 T_jup = 3.612 
[ 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 17.5   n/a MPO455775  

390543 (1999 YU2)          Discovered 1999-Dec-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 1999 YU2 = 2010 AC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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