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312903 (2011 UQ300)
Classification: Main-belt Asteroid          SPK-ID: 2312903
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 .2796234315121346 3.9833e-08  
a 2.780271264318801 1.7112e-08 au
q 2.002842272855396 1.155e-07 au
i 8.03073180045954 3.623e-06 deg
node 254.7021783611781 4.1551e-05 deg
peri 152.8318636802717 4.3637e-05 deg
M 352.395712726025 1.0126e-05 deg
tp 2459236.267220979573
(2021-Jan-21.76722098)
4.7543e-05 TDB
period 1693.281577711275
4.64
1.5633e-05
4.28e-08
d
yr
n .2126049233268067 1.9628e-09 deg/d
Q 3.557700255782205 2.1897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      8443 days (23.12 yr)  
   first obs. used      1997-11-30  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:31:48  

Additional Information
 Earth MOID = 1.0162 au 
 Jupiter MOID = 1.8604 au 
 T_jup = 3.261 
[ 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 16.8   n/a MPO345863  

312903 (2011 UQ300)          Discovered 2003-Jan-07 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UQ300 = 2003 AN69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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