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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05454014346259897 1.0606e-07  
a 2.938004493110788 5.6098e-08 au
q 2.777765306562765 2.984e-07 au
i 9.698951336965289 5.2007e-06 deg
node 88.09845099601847 8.3829e-05 deg
peri 57.9237235571773 0.00013002 deg
M 265.4638987694189 9.977e-05 deg
tp 2459483.527989539888
(2021-Sep-26.02798954)
0.00051554 TDB
period 1839.403931099591
5.04
5.2682e-05
1.442e-07
d
yr
n .1957155760696852 5.6055e-09 deg/d
Q 3.098243679658811 5.9158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      5081 days (13.91 yr)  
   first obs. used      2005-11-30  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60828  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:36  

Additional Information
 Earth MOID = 1.80535 au 
 Jupiter MOID = 1.9742 au 
 T_jup = 3.250 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457523.5 (2016-May-15.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05289734555140484 1.0955e-07  
q 2.782676558077392 3.0872e-07 au
tp 2457653.366548905916
(2016-Sep-21.86654891)
0.00049289 TDB
node 88.19870252233105 8.3972e-05 deg
peri 59.77518469497973 0.00012967 deg
i 9.690739391623202 5.1933e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      5081 days (13.91 yr)  
   first obs. used      2005-11-30  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60828  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:36  

Additional Information
 Jupiter MOID = 1.9742 au 
 T_jup = 3.250 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.200175750124531E-14 -3.336773468949311E-14 4.303690233226723E-11 -2.735110685687861E-13 8.749577947286907E-12 8.333918234987321E-16
q -3.336773468949311E-14 9.530576588483016E-14 -1.178761626802496E-10 7.513245972719881E-13 -2.400745645656883E-11 2.568482070083498E-15
tp 4.303690233226723E-11 -1.178761626802496E-10 2.429385500953044E-7 -1.35118720109985E-9 4.915971062413285E-8 8.479513440080074E-13
node -2.735110685687861E-13 7.513245972719881E-13 -1.35118720109985E-9 7.051324527387144E-9 -7.216665803376723E-9 -1.012096161235013E-10
peri 8.749577947286907E-12 -2.400745645656883E-11 4.915971062413285E-8 -7.216665803376723E-9 1.681530262474452E-8 9.989221709005259E-11
i 8.333918234987321E-16 2.568482070083498E-15 8.479513440080074E-13 -1.012096161235013E-10 9.989221709005259E-11 2.697055743790462E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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