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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2507916859047955 5.8079e-08  
a 2.62994165997918 1.7005e-08 au
q 1.970374157241745 1.5485e-07 au
i 3.631299759497231 5.2857e-06 deg
node 261.2272495295206 0.00010328 deg
peri 118.9730714941766 0.00010444 deg
M 213.9552562663371 1.4151e-05 deg
tp 2460028.476645042177
(2023-Mar-24.97664504)
6.5085e-05 TDB
period 1557.821160822393
4.27
1.5109e-05
4.137e-08
d
yr
n .2310919950592734 2.2413e-09 deg/d
Q 3.289509162716616 2.127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      2001-09-08  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:33:05  

Additional Information
 Earth MOID = .975471 au 
 Jupiter MOID = 2.19578 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457820.5 (2017-Mar-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2493451532630359 5.801e-08  
q 1.976362402858307 1.5421e-07 au
tp 2458470.301549701182
(2018-Dec-17.80154970)
5.6958e-05 TDB
node 261.2756237193198 0.00010339 deg
peri 118.8309489383278 0.00010457 deg
i 3.626915170719709 5.2815e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      2001-09-08  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:33:05  

Additional Information
 Jupiter MOID = 2.19578 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.365114138756844E-15 -8.915341943802957E-15 -1.237236722948823E-12 -5.774733670601518E-14 -3.842996256657252E-13 -4.425452998944701E-15
q -8.915341943802957E-15 2.377945589772024E-14 3.582213546126266E-12 1.558959795230755E-13 1.067501754208896E-12 1.220608010044852E-14
tp -1.237236722948823E-12 3.582213546126266E-12 3.24425300402997E-9 8.230501228251144E-12 9.2441424533131E-10 1.691120162763899E-12
node -5.774733670601518E-14 1.558959795230755E-13 8.230501228251144E-12 1.069049629377002E-8 -1.066489360903779E-8 4.3660410893522E-11
peri -3.842996256657252E-13 1.067501754208896E-12 9.2441424533131E-10 -1.066489360903779E-8 1.093533480413153E-8 -4.288077182799752E-11
i -4.425452998944701E-15 1.220608010044852E-14 1.691120162763899E-12 4.3660410893522E-11 -4.288077182799752E-11 2.789401670481143E-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 17.47   n/a E2021B25  

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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