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JPL Small-Body Database Browser
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413068 (2001 SB121)
Classification: Main-belt Asteroid          SPK-ID: 2413068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2501492322261428 7.3322e-08  
a 2.631284820468947 1.9419e-08 au
q 1.973070942860336 1.9873e-07 au
i 3.631009923724931 6.8694e-06 deg
node 261.2435267888093 0.00011815 deg
peri 119.0226028217307 0.00012969 deg
M 30.04586443324213 3.097e-05 deg
tp 2458470.383485824926
(2018-Dec-17.88348582)
0.00013446 TDB
period 1559.014725873612
4.27
1.7258e-05
4.725e-08
d
yr
n .2309150734918618 2.5562e-09 deg/d
Q 3.289498698077558 2.4277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6266 days (17.16 yr)  
   first obs. used      2001-09-08  
   last obs. used      2018-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:16:18  

Additional Information
 Earth MOID = .978176 au 
 Jupiter MOID = 2.19067 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457073.5 (2015-Feb-20.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2479193684040371 7.1228e-08  
q 1.979553827573067 1.9165e-07 au
tp 2456906.505053049598
(2014-Sep-06.00505305)
0.00014488 TDB
node 261.7088289232397 0.0001185 deg
peri 117.9025115439292 0.0001306 deg
i 3.624028904543655 6.8509e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6266 days (17.16 yr)  
   first obs. used      2001-09-08  
   last obs. used      2018-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:16:18  

Additional Information
 Jupiter MOID = 2.19067 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.073393309439921E-15 -1.361784040872622E-14 3.398540660084068E-12 -1.28580624141803E-13 1.360740889216486E-12 -8.99730649501243E-15
q -1.361784040872622E-14 3.672916915413819E-14 -9.350347906033594E-12 3.492816798202334E-13 -3.729797447824918E-12 2.496682765076413E-14
tp 3.398540660084068E-12 -9.350347906033594E-12 2.099039713114722E-8 -4.860732865778222E-10 8.010364852422766E-9 8.442057566826672E-12
node -1.28580624141803E-13 3.492816798202334E-13 -4.860732865778222E-10 1.404167492276012E-8 -1.4187584845252E-8 -1.5359431310006E-10
peri 1.360740889216486E-12 -3.729797447824918E-12 8.010364852422766E-9 -1.4187584845252E-8 1.705668907289692E-8 1.561560341453246E-10
i -8.99730649501243E-15 2.496682765076413E-14 8.442057566826672E-12 -1.5359431310006E-10 1.561560341453246E-10 4.693484931877209E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO455940  

413068 (2001 SB121)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: Last Updated: 2014-11-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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