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245998 (2006 SL308)
Classification: Main-belt Asteroid          SPK-ID: 2245998
[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3007905923834975 5.789e-08  
a 3.042121063514793 3.9903e-08 au
q 2.127079666717863 1.9242e-07 au
i 8.55725049690299 8.5931e-06 deg
node 357.3232375141749 3.3695e-05 deg
peri 245.6906133832651 4.0182e-05 deg
M 314.6719513282111 2.551e-05 deg
tp 2459244.521273514572
(2021-Jan-30.02127351)		 0.00014144 TDB
period 1938.041919724643
5.31		 3.8132e-05
1.044e-07		 d
yr
n .1857544959869334 3.6548e-09 deg/d
Q 3.957162460311723 5.1906e-08 au
   Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      2000-08-01  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:11:16  

Additional Information
 Earth MOID = 1.13204 au 
 Jupiter MOID = 1.24255 au 
 T_jup = 3.153 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457371.5 (2015-Dec-15.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .300400311130497 5.8155e-08  
q 2.128522487729106 1.9333e-07 au
tp 2457303.860665014716
(2015-Oct-08.36066501)		 0.00011028 TDB
node 357.3723819957987 3.3681e-05 deg
peri 245.4344945808176 4.0172e-05 deg
i 8.558521401217769 8.5935e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      2000-08-01  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:11:16  

Additional Information
 Jupiter MOID = 1.24255 au 
 T_jup = 3.153 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.381999975988241E-15 -1.115944491602815E-14 -4.028946189735943E-12 4.04055874097292E-15 -7.278284284399983E-13 -1.011805331070402E-14
q -1.115944491602815E-14 3.737736024651E-14 1.460311696515808E-11 -3.584924980312902E-15 2.651421854033187E-12 3.13488212553996E-14
tp -4.028946189735943E-12 1.460311696515808E-11 1.216272060222339E-8 1.149536630877361E-11 2.427288315445739E-9 2.413029773332951E-11
node 4.04055874097292E-15 -3.584924980312902E-15 1.149536630877361E-11 1.134443047750017E-9 -1.118362674616537E-9 -2.637331329197118E-11
peri -7.278284284399983E-13 2.651421854033187E-12 2.427288315445739E-9 -1.118362674616537E-9 1.613751373580793E-9 3.068804662936469E-11
i -1.011805331070402E-14 3.13488212553996E-14 2.413029773332951E-11 -2.637331329197118E-11 3.068804662936469E-11 7.384739308806963E-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 15.6   n/a MPO427401  
diameter diameter 2.189 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245998 (2006 SL308)          Discovered 2006-Sep-27 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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