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312856 (2011 UY87)
Classification: Main-belt Asteroid          SPK-ID: 2312856
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06300043120865553 8.7601e-08  
a 2.656677820701068 3.0675e-08 au
q 2.48930597241443 2.5149e-07 au
i 1.835674614515293 6.9769e-06 deg
node 214.27011585292 0.0001647 deg
peri 167.9705877557335 0.00017947 deg
M 24.77277028766651 6.7577e-05 deg
tp 2458891.662430009761
(2020-Feb-12.16243001)
0.00029629 TDB
period 1581.636802888896
4.33
2.7393e-05
7.5e-08
d
yr
n .2276123060252845 3.9421e-09 deg/d
Q 2.824049668987707 3.2607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6246 days (17.10 yr)  
   first obs. used      2002-10-09  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67997  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 19:05:39  

Additional Information
 Earth MOID = 1.49199 au 
 Jupiter MOID = 2.46393 au 
 T_jup = 3.384 
[ 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 17.0   n/a MPO494659  

312856 (2011 UY87)          Discovered 2007-Nov-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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