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215466 (2002 QD98)
Classification: Main-belt Asteroid          SPK-ID: 2215466
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768232740234409 4.0278e-08  
a 2.39081577835471 1.3106e-08 au
q 1.968063904839129 9.7089e-08 au
i 3.534225816419004 5.1119e-06 deg
node 114.0348869497827 0.00011026 deg
peri 172.8620065511704 0.00011241 deg
M 316.9741828554372 2.1726e-05 deg
tp 2459161.877960774212
(2020-Nov-08.37796077)
8.1979e-05 TDB
period 1350.260604778723
3.70
1.1103e-05
3.04e-08
d
yr
n .2666151991148374 2.1923e-09 deg/d
Q 2.813567651870291 1.5424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:18:40  

Additional Information
 Earth MOID = .951731 au 
 Jupiter MOID = 2.34672 au 
 T_jup = 3.508 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457217.5 (2015-Jul-14.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770532557048337 4.0339e-08  
q 1.968035558736404 9.7234e-08 au
tp 2457809.945539410674
(2017-Feb-25.44553941)
7.8178e-05 TDB
node 114.0738985788636 0.00011017 deg
peri 172.5522122990373 0.0001123 deg
i 3.535268300247431 5.1139e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:18:40  

Additional Information
 Jupiter MOID = 2.34672 au 
 T_jup = 3.508 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.627212201993937E-15 -3.897440851976527E-15 7.092974465411843E-13 -1.142843612455921E-15 1.835854759968357E-13 -1.220829801213464E-15
q -3.897440851976527E-15 9.454487453648501E-15 -1.448698046692818E-12 7.489217733580263E-15 -3.853270258820744E-13 3.088181760808333E-15
tp 7.092974465411843E-13 -1.448698046692818E-12 6.111866733139557E-9 5.58671289196449E-11 1.756694975426543E-9 -1.874141846747711E-12
node -1.142843612455921E-15 7.489217733580263E-15 5.58671289196449E-11 1.213635803620378E-8 -1.209634694686661E-8 2.194452497609918E-10
peri 1.835854759968357E-13 -3.853270258820744E-13 1.756694975426543E-9 -1.209634694686661E-8 1.261112074760444E-8 -2.195756134727523E-10
i -1.220829801213464E-15 3.088181760808333E-15 -1.874141846747711E-12 2.194452497609918E-10 -2.195756134727523E-10 2.615210817095378E-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 17.9   n/a MPO422840  

215466 (2002 QD98)          Discovered 2002-Aug-18 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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