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385088 (2012 UW166)
Classification: Main-belt Asteroid          SPK-ID: 2385088
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215387677949247 6.0803e-08  
a 3.079605815641342 4.5063e-08 au
q 2.705314319514209 2.0882e-07 au
i 14.1221051654713 6.2717e-06 deg
node 271.0100026199849 2.561e-05 deg
peri 352.2385620230518 3.8335e-05 deg
M 293.0841362262452 3.1824e-05 deg
tp 2459567.416896209996
(2021-Dec-18.91689621)
0.00017727 TDB
period 1973.972615554964
5.40
4.3327e-05
1.186e-07
d
yr
n .1823733506550137 4.003e-09 deg/d
Q 3.453897311768474 5.054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5797 days (15.87 yr)  
   first obs. used      2005-06-05  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49757  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:29:41  

Additional Information
 Earth MOID = 1.6884 au 
 Jupiter MOID = 1.66044 au 
 T_jup = 3.171 
[ 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 15.40   n/a E2021B25  

385088 (2012 UW166)          Discovered 2011-Jun-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-01-21

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