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215460 (2002 QO8)
Classification: Main-belt Asteroid          SPK-ID: 2215460
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 .2368841556078884 3.824e-08  
a 2.399597701913822 1.0877e-08 au
q 1.831171026497337 9.427e-08 au
i 3.847499915879987 4.2638e-06 deg
node 98.90707976965041 8.3031e-05 deg
peri 186.7405384273338 8.3759e-05 deg
M 314.1124562408478 1.2114e-05 deg
tp 2459173.560675195555
(2020-Nov-20.06067520)
4.6222e-05 TDB
period 1357.707080540209
3.72
9.2316e-06
2.527e-08
d
yr
n .265152922275961 1.8029e-09 deg/d
Q 2.968024377330308 1.3454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      8959 days (24.53 yr)  
   first obs. used      1995-10-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60922  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:18:40  

Additional Information
 Earth MOID = .814809 au 
 Jupiter MOID = 2.20256 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457149.5 (2015-May-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2374908149364394 3.8296e-08  
q 1.82983685546462 9.4405e-08 au
tp 2457814.147415331536
(2017-Mar-01.64741533)
4.2445e-05 TDB
node 98.96932873935356 8.2941e-05 deg
peri 186.5080562003301 8.3662e-05 deg
i 3.849566903761835 4.2672e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      8959 days (24.53 yr)  
   first obs. used      1995-10-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60922  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:18:40  

Additional Information
 Jupiter MOID = 2.20256 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.466598732120466E-15 -3.602146719299205E-15 3.806268922077885E-13 1.443732204124398E-14 1.242883418772224E-13 -4.133986701707636E-16
q -3.602146719299205E-15 8.912348294332984E-15 -8.050140698330518E-13 -3.316783806568301E-14 -2.817591538738641E-13 1.280293083127041E-15
tp 3.806268922077885E-13 -8.050140698330518E-13 1.801573170887782E-9 2.321935113808545E-11 4.982729683744491E-10 7.130388324357559E-13
node 1.443732204124398E-14 -3.316783806568301E-14 2.321935113808545E-11 6.879219704209247E-9 -6.856770494331801E-9 9.493155843689026E-11
peri 1.242883418772224E-13 -2.817591538738641E-13 4.982729683744491E-10 -6.856770494331801E-9 6.999290271190277E-9 -9.455587839449895E-11
i -4.133986701707636E-16 1.280293083127041E-15 7.130388324357559E-13 9.493155843689026E-11 -9.455587839449895E-11 1.820873172701233E-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 16.8   n/a MPO422840  

215460 (2002 QO8)          Discovered 2002-Aug-19 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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