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243327 (2008 SQ195)
Classification: Main-belt Asteroid          SPK-ID: 2243327
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065289844308365 8.8846e-08  
a 2.565872410560904 3.4106e-08 au
q 2.035945387428658 2.4228e-07 au
i 5.662772904501507 1.4822e-05 deg
node 39.33513828755678 0.00010151 deg
peri 38.9483355987777 0.00012433 deg
M 266.4043622268926 7.4067e-05 deg
tp 2459390.805004310291
(2021-Jun-25.30500431)
0.00031493 TDB
period 1501.243058916119
4.11
2.9932e-05
8.195e-08
d
yr
n .239801275257796 4.7812e-09 deg/d
Q 3.09579943369315 4.115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6688 days (18.31 yr)  
   first obs. used      2002-04-06  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 16:44:48  

Additional Information
 Earth MOID = 1.05482 au 
 Jupiter MOID = 2.19036 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456830.5 (2014-Jun-22.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074530802377547 9.3515e-08  
q 2.032712138060155 2.5735e-07 au
tp 2456383.678440143317
(2013-Apr-01.17844014)
0.00026292 TDB
node 39.51929914689546 0.000101 deg
peri 37.91253520529204 0.00012377 deg
i 5.680713498013318 1.4864e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6688 days (18.31 yr)  
   first obs. used      2002-04-06  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 16:44:48  

Additional Information
 Jupiter MOID = 2.19036 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.745033150556291E-15 -2.39600440715007E-14 -1.92184607879866E-11 2.095107137912424E-15 -5.114956793088079E-12 -2.095649254882334E-14
q -2.39600440715007E-14 6.622936881060444E-14 5.510380175514086E-11 -8.619605492471633E-16 1.472567809364274E-11 5.996257772020633E-14
tp -1.92184607879866E-11 5.510380175514086E-11 6.912546841800806E-8 9.823947684351737E-12 1.89169862206079E-8 7.483068392715979E-11
node 2.095107137912424E-15 -8.619605492471633E-16 9.823947684351737E-12 1.020140861865201E-8 -1.014773934948854E-8 -1.083802769839565E-9
peri -5.114956793088079E-12 1.472567809364274E-11 1.89169862206079E-8 -1.014773934948854E-8 1.531820029477297E-8 1.099254155421444E-9
i -2.095649254882334E-14 5.996257772020633E-14 7.483068392715979E-11 -1.083802769839565E-9 1.099254155421444E-9 2.20933348992522E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO440238  
diameter diameter 2.355 km 0.530 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243327 (2008 SQ195)          Discovered 2008-Sep-25 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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