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312878 (2011 UA180)
Classification: Main-belt Asteroid          SPK-ID: 2312878
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03409845351711058 6.3581e-08  
a 3.134220013808045 5.818e-08 au
q 3.027347958354814 2.2662e-07 au
i 10.52427596093072 7.1354e-06 deg
node 248.6215681946879 3.9417e-05 deg
peri 39.68080126672103 0.0001192 deg
M 327.7766087183005 0.00011227 deg
tp 2459181.910069722850
(2020-Nov-28.41006972)
0.00063211 TDB
period 2026.71483362199
5.55
5.6432e-05
1.545e-07
d
yr
n .1776273573508294 4.9459e-09 deg/d
Q 3.241092069261276 6.0164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      7143 days (19.56 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53651  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:25:34  

Additional Information
 Earth MOID = 2.01864 au 
 Jupiter MOID = 1.83302 au 
 T_jup = 3.185 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO434005  

312878 (2011 UA180)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UA180 = 1999 TU164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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