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181553 (2006 UB270)
Classification: Main-belt Asteroid          SPK-ID: 2181553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621478773035299 4.9139e-08  
a 2.743865310396126 2.3677e-08 au
q 2.298953374708603 1.3853e-07 au
i 9.820926698523326 5.3826e-06 deg
node 51.11620348609141 3.0102e-05 deg
peri 133.1644513115176 3.3564e-05 deg
M 277.7022679703665 1.6389e-05 deg
tp 2459580.014153333867
(2021-Dec-31.51415333)
7.8089e-05 TDB
period 1660.131960270749
4.55
2.1488e-05
5.883e-08
d
yr
n .2168502315570673 2.8068e-09 deg/d
Q 3.188777246083649 2.7516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      8003 days (21.91 yr)  
   first obs. used      1999-04-12  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:04  

Additional Information
 Earth MOID = 1.3116 au 
 Jupiter MOID = 1.80216 au 
 T_jup = 3.308 
[ 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 15.69   n/a MPCxxxxx  

181553 (2006 UB270)          Discovered 2006-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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