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312857 (2011 UK88)
Classification: Main-belt Asteroid          SPK-ID: 2312857
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06438473521629459 5.1881e-08  
a 2.578206722148089 2.1466e-08 au
q 2.412209565009713 1.3846e-07 au
i 3.064644353030983 5.3141e-06 deg
node 243.1482048452145 9.5605e-05 deg
peri 279.8080380442503 0.00010408 deg
M 288.2309139442668 4.0396e-05 deg
tp 2459301.946292234774
(2021-Mar-28.44629223)
0.00017014 TDB
period 1512.080913504256
4.14
1.8884e-05
5.17e-08
d
yr
n .2380824972955302 2.9734e-09 deg/d
Q 2.744203879286464 2.2848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      8824 days (24.16 yr)  
   first obs. used      1995-11-29  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57001  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:48:41  

Additional Information
 Earth MOID = 1.42199 au 
 Jupiter MOID = 2.23921 au 
 T_jup = 3.421 
[ 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 16.5   n/a MPO503319  

312857 (2011 UK88)          Discovered 2005-Apr-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UK88 = 2005 JN78 = 2007 VL302 = 2007 YV33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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