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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0545460683150546 9.1765e-08  
a 2.938745430399892 4.9887e-08 au
q 2.778448421392745 2.6676e-07 au
i 9.698293630681992 5.0892e-06 deg
node 88.10001182509231 7.512e-05 deg
peri 57.65844992887967 0.00011526 deg
M 304.8585785100584 8.7338e-05 deg
tp 2459482.349217828745
(2021-Sep-24.84921783)
0.00044852 TDB
period 1840.099795701798
5.04
4.6855e-05
1.283e-07
d
yr
n .1956415629418072 4.9817e-09 deg/d
Q 3.099042439407039 5.2608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5514 days (15.10 yr)  
   first obs. used      2005-11-30  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59496  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:21:08  

Additional Information
 Earth MOID = 1.80587 au 
 Jupiter MOID = 1.97289 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 16.40   n/a MPCxxxxx  

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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