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JPL Small-Body Database Browser
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344250 (2001 SL242)
Classification: Main-belt Asteroid          SPK-ID: 2344250
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396986643186311 6.2495e-08  
a 2.333205159990278 2.2629e-08 au
q 2.007259515558299 1.4683e-07 au
i 7.142894977479332 5.9825e-06 deg
node 21.90085792116314 4.902e-05 deg
peri 295.6284002002453 5.4203e-05 deg
M 21.23328407489074 2.127e-05 deg
tp 2458523.720993432349
(2019-Feb-09.22099343)
7.6497e-05 TDB
period 1301.750697954457
3.56
1.8938e-05
5.185e-08
d
yr
n .2765506487269001 4.0233e-09 deg/d
Q 2.659150804422258 2.579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2000-04-12  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58275  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:07:57  

Additional Information
 Earth MOID = 1.00606 au 
 Jupiter MOID = 2.64122 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457470.5 (2016-Mar-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406475387512204 6.255e-08  
q 2.005044283240107 1.4711e-07 au
tp 2457222.417852356864
(2015-Jul-18.91785236)
7.1211e-05 TDB
node 21.9144522459321 4.8986e-05 deg
peri 295.7837774341847 5.4097e-05 deg
i 7.14654620034527 5.9862e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2000-04-12  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58275  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:07:57  

Additional Information
 Jupiter MOID = 2.64122 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.91256488834874E-15 -9.12138762195198E-15 1.149821921829986E-12 -9.561039285378786E-14 4.146409906626878E-13 -1.124530873171993E-14
q -9.12138762195198E-15 2.164274829665887E-14 -2.520344897284092E-12 2.145664379180278E-13 -8.918861542069234E-13 2.83539983602603E-14
tp 1.149821921829986E-12 -2.520344897284092E-12 5.070950863277016E-9 -6.683099817934854E-11 1.672208825767234E-9 -4.852828653056533E-12
node -9.561039285378786E-14 2.145664379180278E-13 -6.683099817934854E-11 2.399626713072389E-9 -2.399858339792417E-9 -1.05579615204595E-10
peri 4.146409906626878E-13 -8.918861542069234E-13 1.672208825767234E-9 -2.399858339792417E-9 2.926501329052823E-9 1.035282347186608E-10
i -1.124530873171993E-14 2.83539983602603E-14 -4.852828653056533E-12 -1.05579615204595E-10 1.035282347186608E-10 3.583473768187411E-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 17.4   n/a MPO455507  

344250 (2001 SL242)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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