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78970 (2003 SB298)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078970
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055838387883827 5.5317e-08  
a 3.206283064548295 3.1648e-08 au
q 2.867751390351106 1.8198e-07 au
i 14.30452064247631 4.5921e-06 deg
node 233.5876643575056 2.3488e-05 deg
peri 257.5378776192665 3.4614e-05 deg
M 235.9620209784473 2.8164e-05 deg
tp 2459923.025866227504
(2022-Dec-09.52586623)		 0.00016887 TDB
period 2097.013462277593
5.74		 3.1048e-05
8.5e-08		 d
yr
n .1716727176414974 2.5418e-09 deg/d
Q 3.544814738745484 3.499e-08 au
   Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8054 days (22.05 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:17:20  

Additional Information
 Earth MOID = 1.9259 au 
 Jupiter MOID = 1.77989 au 
 T_jup = 3.136 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457710.5 (2016-Nov-18.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0999658200523537 5.4984e-08  
q 2.889317578714325 1.7957e-07 au
tp 2457817.755540516965
(2017-Mar-05.25554052)		 0.00016768 TDB
node 233.7146388950813 2.3423e-05 deg
peri 256.8094022009744 3.5999e-05 deg
i 14.31486946009826 4.6066e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8054 days (22.05 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:17:20  

Additional Information
 Jupiter MOID = 1.77989 au 
 T_jup = 3.136 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.023205931822347E-15 -9.748886710737528E-15 1.923766947884529E-12 2.729726674299047E-15 4.482329930329994E-13 6.469259706400128E-15
q -9.748886710737528E-15 3.224612568606587E-14 -4.70303303292312E-12 -1.878100360699681E-14 -1.207805685748386E-12 -1.640477630665013E-14
tp 1.923766947884529E-12 -4.70303303292312E-12 2.811548281906468E-8 -3.824929356296033E-11 4.633171181746985E-9 2.067832582392437E-11
node 2.729726674299047E-15 -1.878100360699681E-14 -3.824929356296033E-11 5.486465595313347E-10 -5.374770845312509E-10 -4.073660094491961E-11
peri 4.482329930329994E-13 -1.207805685748386E-12 4.633171181746985E-9 -5.374770845312509E-10 1.295930502086751E-9 4.304784219998996E-11
i 6.469259706400128E-15 -1.640477630665013E-14 2.067832582392437E-11 -4.073660094491961E-11 4.304784219998996E-11 2.122106811231037E-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 14.38   n/a E2021B10  

78970 (2003 SB298)          Discovered 2003-Sep-18 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SB298 = 1998 WN14 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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