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268421 (2005 UE470)
Classification: Main-belt Asteroid          SPK-ID: 2268421
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04356104157422148 4.0235e-08  
a 2.782687784901373 2.5499e-08 au
q 2.661471006615206 1.1012e-07 au
i 4.27958059048325 5.9537e-06 deg
node 346.9900400972558 7.0097e-05 deg
peri 307.6495494081534 0.00010839 deg
M 158.2775439002182 8.3325e-05 deg
tp 2458255.061273902915
(2018-May-16.56127390)
0.00039335 TDB
period 1695.489674543659
4.64
2.3305e-05
6.381e-08
d
yr
n .2123280403325924 2.9185e-09 deg/d
Q 2.90390456318754 2.661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      9867 days (27.01 yr)  
   first obs. used      1993-01-22  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:13:05  

Additional Information
 Earth MOID = 1.64833 au 
 Jupiter MOID = 2.18983 au 
 T_jup = 3.327 
[ 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 16.2   n/a MPO454994  

268421 (2005 UE470)          Discovered 2005-Oct-30 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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