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487385 (2014 QU298)
Classification: Main-belt Asteroid          SPK-ID: 2487385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05049484737463672 8.8677e-08  
a 3.141503275954221 1.1389e-07 au
q 2.982873547507992 2.5105e-07 au
i 1.209038728422113 1.0893e-05 deg
node 196.2634800900743 0.00052697 deg
peri 193.2843040430923 0.0005447 deg
M 317.2578234479719 0.00013214 deg
tp 2459241.967583213892
(2021-Jan-27.46758321)
0.00074452 TDB
period 2033.783418848296
5.57
0.00011059
3.028e-07
d
yr
n .1770099985395019 9.6255e-09 deg/d
Q 3.300133004400451 1.1964e-07 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      4039 days (11.06 yr)  
   first obs. used      2006-01-31  
   last obs. used      2017-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54799  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jul-11 15:52:38  

Additional Information
 Earth MOID = 1.98754 au 
 Jupiter MOID = 1.95977 au 
 T_jup = 3.208 
[ 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 MPO413572  

487385 (2014 QU298)          Discovered 2009-Sep-15 by Spacewatch at Kitt Peak
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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