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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3007111983924841 5.7909e-08  
a 3.041561431232253 3.9565e-08 au
q 2.126929848262043 1.923e-07 au
i 8.557730116201133 8.5936e-06 deg
node 357.3234394509485 3.3693e-05 deg
peri 245.7178586095223 4.019e-05 deg
M 351.8059565217656 2.6153e-05 deg
tp 2459244.600049688857
(2021-Jan-30.10004969)
0.00014149 TDB
period 1937.507157505277
5.30
3.7805e-05
1.035e-07
d
yr
n .1858057652099381 3.6254e-09 deg/d
Q 3.956193014202463 5.1462e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:53:49  

Additional Information
 Earth MOID = 1.13052 au 
 Jupiter MOID = 1.2425 au 
 T_jup = 3.153 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457371.5 (2015-Dec-15.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3004003104044377 5.8155e-08  
q 2.128522491136069 1.9333e-07 au
tp 2457303.860667342718
(2015-Oct-08.36066734)
0.00011028 TDB
node 357.3723820111898 3.3681e-05 deg
peri 245.4344950784442 4.0172e-05 deg
i 8.558521414131221 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:53:49  

Additional Information
 Jupiter MOID = 1.2425 au 
 T_jup = 3.153 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.382001049666874E-15 -1.115944788421917E-14 -4.028947159525263E-12 4.04055447056415E-15 -7.278286295689692E-13 -1.011805758504381E-14
q -1.115944788421917E-14 3.737736819791057E-14 1.460312001711544E-11 -3.584885268679731E-15 2.651422450553431E-12 3.134883683796288E-14
tp -4.028947159525263E-12 1.460312001711544E-11 1.216272132533512E-8 1.149537064449651E-11 2.42728851495485E-9 2.413029690188875E-11
node 4.04055447056415E-15 -3.584885268679731E-15 1.149537064449651E-11 1.134443047718504E-9 -1.118362672581552E-9 -2.637331590684504E-11
peri -7.278286295689692E-13 2.651422450553431E-12 2.42728851495485E-9 -1.118362672581552E-9 1.613751409941425E-9 3.068804878207134E-11
i -1.011805758504381E-14 3.134883683796288E-14 2.413029690188875E-11 -2.637331590684504E-11 3.068804878207134E-11 7.384739635840901E-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 15.73   n/a E2021B55  
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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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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