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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1050967688998546 5.5305e-08  
a 3.207634399651844 3.1891e-08 au
q 2.87052238843641 1.8217e-07 au
i 14.30310676566682 4.5947e-06 deg
node 233.6048199419596 2.3493e-05 deg
peri 257.4600704478968 3.4737e-05 deg
M 201.6770617300367 2.8097e-05 deg
tp 2459923.320132892992
(2022-Dec-09.82013289)
0.00016974 TDB
period 2098.339327653221
5.74
3.1293e-05
8.568e-08
d
yr
n .1715642438073271 2.5586e-09 deg/d
Q 3.544746410867277 3.5243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      8034 days (22.00 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:07:17  

Additional Information
 Earth MOID = 1.92868 au 
 Jupiter MOID = 1.78039 au 
 T_jup = 3.135 
[ show covariance matrix ]

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 14.3   n/a MPO439584  

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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