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312893 (2011 UE271)
Classification: Main-belt Asteroid          SPK-ID: 2312893
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 .07551615073026012 8.4623e-08  
a 3.16374025686081 6.0945e-08 au
q 2.924826770752317 3.0847e-07 au
i 6.51832700599831 1.0379e-05 deg
node 67.47085443941023 7.2247e-05 deg
peri 258.312648821628 0.00012174 deg
M 269.8005410833345 9.8579e-05 deg
tp 2459515.492719575505
(2021-Oct-27.99271958)
0.0005573 TDB
period 2055.415645214332
5.63
5.9392e-05
1.626e-07
d
yr
n .175147056430263 5.0609e-09 deg/d
Q 3.402653742969303 6.5547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6214 days (17.01 yr)  
   first obs. used      2003-04-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:28:50  

Additional Information
 Earth MOID = 1.92213 au 
 Jupiter MOID = 1.85497 au 
 T_jup = 3.190 
[ 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 15.9   n/a MPO434005  

312893 (2011 UE271)          Discovered 2003-Apr-24 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UE271 = 2008 EH97 = 2010 KP63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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