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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 ]

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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 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 
[ 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 MPO422840  

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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