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312845 (2011 UQ55)
Classification: Main-belt Asteroid          SPK-ID: 2312845
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 .2278611980357166 7.4564e-08  
a 2.318841628329457 1.3993e-08 au
q 1.790467596843215 1.7232e-07 au
i 1.660038611820707 7.8988e-06 deg
node 55.36493869077517 0.00017585 deg
peri 309.1769011672467 0.00017657 deg
M 184.8182478477496 1.5058e-05 deg
tp 2459628.112268261212
(2022-Feb-17.61226826)
5.534e-05 TDB
period 1289.748582818555
3.53
1.1674e-05
3.196e-08
d
yr
n .2791241679159461 2.5265e-09 deg/d
Q 2.847215659815699 1.7181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2000-08-01  
   last obs. used      2020-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:49  

Additional Information
 Earth MOID = .789094 au 
 Jupiter MOID = 2.61119 au 
 T_jup = 3.543 
[ 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 17.6   n/a MPO460291  

312845 (2011 UQ55)          Discovered 2000-Aug-01 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UQ55 = 2000 PJ15 = 2010 JQ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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