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487369 (2014 QQ255)
Classification: Main-belt Asteroid          SPK-ID: 2487369
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05454021816072944 1.0583e-07  
a 2.938004515351755 5.4796e-08 au
q 2.777765108127262 2.9824e-07 au
i 9.698953906178618 5.116e-06 deg
node 88.09845524395615 8.3578e-05 deg
peri 57.92375197255487 0.00012966 deg
M 265.463865989749 9.9709e-05 deg
tp 2459483.528162511001
(2021-Sep-26.02816251)
0.00051532 TDB
period 1839.403951986279
5.04
5.1459e-05
1.409e-07
d
yr
n .1957155738473075 5.4753e-09 deg/d
Q 3.098243922576248 5.7784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      5110 days (13.99 yr)  
   first obs. used      2005-11-30  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:27:19  

Additional Information
 Earth MOID = 1.80535 au 
 Jupiter MOID = 1.9742 au 
 T_jup = 3.250 
[ 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 16.1   n/a MPO495388  

487369 (2014 QQ255)          Discovered 2005-Nov-30 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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