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312876 (2011 UY177)
Classification: Main-belt Asteroid          SPK-ID: 2312876
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07536260499219155 8.6237e-08  
a 3.115913725307978 5.5169e-08 au
q 2.881090350037845 3.058e-07 au
i 10.58676326597177 1.1351e-05 deg
node 61.81967234851293 3.5823e-05 deg
peri 272.7900199266822 8.4621e-05 deg
M 304.6295801570552 7.5978e-05 deg
tp 2459509.495303845161
(2021-Oct-21.99530385)
0.00042355 TDB
period 2008.98439455181
5.50
5.3355e-05
1.461e-07
d
yr
n .1791950206165306 4.7591e-09 deg/d
Q 3.350737100578111 5.9326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-11-18  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:31:41  

Additional Information
 Earth MOID = 1.89545 au 
 Jupiter MOID = 1.94417 au 
 T_jup = 3.187 
[ 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 15.98   n/a E2021B25  

312876 (2011 UY177)          Discovered 2005-Sep-30 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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