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487388 (2014 QO304)
Classification: Main-belt Asteroid          SPK-ID: 2487388
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04502933979965471 8.1347e-08  
a 3.130898463076243 6.6272e-08 au
q 2.989916172304167 2.7805e-07 au
i 10.25247175612457 7.9483e-06 deg
node 117.8394085022728 4.5435e-05 deg
peri 86.08437718555717 9.7209e-05 deg
M 155.4007512826477 8.818e-05 deg
tp 2458127.020905357908
(2018-Jan-08.52090536)
0.00049158 TDB
period 2023.4939115527
5.54
6.4247e-05
1.759e-07
d
yr
n .1779100979472476 5.6488e-09 deg/d
Q 3.27188075384832 6.9256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      6272 days (17.17 yr)  
   first obs. used      2001-03-19  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58643  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:37:09  

Additional Information
 Earth MOID = 2.00959 au 
 Jupiter MOID = 1.78692 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 16.5   n/a MPO450509  

487388 (2014 QO304)          Discovered 2012-Mar-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

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