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351048 (2003 SQ240)
Classification: Main-belt Asteroid          SPK-ID: 2351048
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .095060202708595 5.771e-08  
a 2.608816372861601 2.0593e-08 au
q 2.360821759627876 1.6163e-07 au
i .6705464855196173 4.8876e-06 deg
node 287.829957730273 0.0006603 deg
peri 170.419698032075 0.00066167 deg
M 309.91831600857 4.3478e-05 deg
tp 2459414.611560529640
(2021-Jul-19.11156053)
0.00018688 TDB
period 1539.088857392663
4.21
1.8223e-05
4.989e-08
d
yr
n .2339046236809668 2.7695e-09 deg/d
Q 2.856810986095327 2.255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      7675 days (21.01 yr)  
   first obs. used      1999-11-10  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:56:50  

Additional Information
 Earth MOID = 1.37748 au 
 Jupiter MOID = 2.26298 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457566.5 (2016-Jun-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09381680364780158 5.7895e-08  
q 2.365271351828237 1.6212e-07 au
tp 2457868.733178413620
(2017-Apr-25.23317841)
0.00018329 TDB
node 288.0637838717871 0.0006637 deg
peri 168.8948730570422 0.0006651 deg
i .6680819567527391 4.8772e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      7675 days (21.01 yr)  
   first obs. used      1999-11-10  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:56:50  

Additional Information
 Jupiter MOID = 2.26298 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.351880181683821E-15 -9.342069682593379E-15 -4.38487642526309E-12 -2.1408376536222E-14 -9.059263778221188E-13 -6.153283347512931E-16
q -9.342069682593379E-15 2.628187103284055E-14 1.255196442233238E-11 6.731349543870469E-14 2.587331330762141E-12 1.794455451645715E-15
tp -4.38487642526309E-12 1.255196442233238E-11 3.359429314750274E-8 8.306278775742275E-11 7.98262032073884E-9 2.650937742882792E-12
node -2.1408376536222E-14 6.731349543870469E-14 8.306278775742275E-11 4.404936866041187E-7 -4.404454811233251E-7 -7.732215575083809E-10
peri -9.059263778221188E-13 2.587331330762141E-12 7.98262032073884E-9 -4.404454811233251E-7 4.423564042729644E-7 7.737819607284181E-10
i -6.153283347512931E-16 1.794455451645715E-15 2.650937742882792E-12 -7.732215575083809E-10 7.737819607284181E-10 2.378663082302614E-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 17.6   n/a MPO446571  

351048 (2003 SQ240)          Discovered 2003-Sep-27 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 2003 SQ240 = 2008 YW94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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