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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2366735015819464 4.7389e-08  
a 2.400070392575281 1.2802e-08 au
q 1.832037328721333 1.1288e-07 au
i 3.847463562441675 5.2617e-06 deg
node 98.90667428626631 8.7664e-05 deg
peri 186.6899498581097 8.8446e-05 deg
M 208.1051028782213 1.3199e-05 deg
tp 2459173.526991795019
(2020-Nov-20.02699179)
5.2381e-05 TDB
period 1358.108277204455
3.72
1.0867e-05
2.975e-08
d
yr
n .2650745938615645 2.1209e-09 deg/d
Q 2.968103456429229 1.5832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      8479 days (23.21 yr)  
   first obs. used      1995-10-17  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63178  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:52:51  

Additional Information
 Earth MOID = .815056 au 
 Jupiter MOID = 2.20077 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456718.5 (2014-Mar-02.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2380121315427657 4.7571e-08  
q 1.827932883778376 1.1345e-07 au
tp 2456456.645118560632
(2013-Jun-13.14511856)
4.2642e-05 TDB
node 98.96857948253803 8.7578e-05 deg
peri 186.4947190480159 8.8346e-05 deg
i 3.850204897941783 5.2668e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      8479 days (23.21 yr)  
   first obs. used      1995-10-17  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63178  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:52:51  

Additional Information
 Jupiter MOID = 2.20077 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.263007759994646E-15 -5.377655191841698E-15 8.514429510735376E-13 1.444407090303103E-14 1.929142739570997E-13 -1.275973542538808E-15
q -5.377655191841698E-15 1.287144501314472E-14 -1.95565127086728E-12 -3.548938347825308E-14 -4.355991996559121E-13 3.066925783065309E-15
tp 8.514429510735376E-13 -1.95565127086728E-12 1.818323418202879E-9 2.505541327920324E-13 5.308917332416929E-10 -2.328831118290222E-12
node 1.444407090303103E-14 -3.548938347825308E-14 2.505541327920324E-13 7.669966352312978E-9 -7.652629596244564E-9 1.785824362423375E-10
peri 1.929142739570997E-13 -4.355991996559121E-13 5.308917332416929E-10 -7.652629596244564E-9 7.805048737255144E-9 -1.788350658439987E-10
i -1.275973542538808E-15 3.066925783065309E-15 -2.328831118290222E-12 1.785824362423375E-10 -1.788350658439987E-10 2.773895157324792E-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

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