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100948 (1998 OF13)
Classification: Main-belt Asteroid          SPK-ID: 2100948
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149245487897593 4.2899e-08  
a 2.372898049957322 7.6654e-09 au
q 1.862904007246144 1.0151e-07 au
i 2.590092034148428 5.46e-06 deg
node 158.5048778035499 6.3973e-05 deg
peri 155.4939679034026 6.4867e-05 deg
M 355.1478053479638 9.1877e-06 deg
tp 2459018.495037668263
(2020-Jun-17.99503767)		 3.4058e-05 TDB
period 1335.109991487298
3.66		 6.4694e-06
1.771e-08		 d
yr
n .2696407054814743 1.3066e-09 deg/d
Q 2.882892092668499 9.3129e-09 au
   Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      10602 days (29.03 yr)  
   first obs. used      1991-11-01  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:18  

Additional Information
 Earth MOID = .849429 au 
 Jupiter MOID = 2.40901 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457702.5 (2016-Nov-10.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2144024966703927 4.2886e-08  
q 1.863998119276636 1.0147e-07 au
tp 2457684.387776407552
(2016-Oct-22.88777641)		 3.595e-05 TDB
node 158.5335833331415 6.3992e-05 deg
peri 155.6640770037544 6.489e-05 deg
i 2.589653823969916 5.4593e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      10602 days (29.03 yr)  
   first obs. used      1991-11-01  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:18  

Additional Information
 Jupiter MOID = 2.40901 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.839233495614951E-15 -4.344023850276302E-15 7.210590092594242E-13 2.638805855036674E-15 1.776972200589466E-13 -1.120461467108072E-15
q -4.344023850276302E-15 1.029633387320391E-14 -1.789654121511528E-12 -7.078353074462898E-15 -4.435985019746384E-13 2.64856694321666E-15
tp 7.210590092594242E-13 -1.789654121511528E-12 1.292386177406385E-9 5.605849958191658E-12 3.887982188979665E-10 -5.646909230906542E-13
node 2.638805855036674E-15 -7.078353074462898E-15 5.605849958191658E-12 4.094923955652545E-9 -4.088592381642047E-9 5.3216076672345E-11
peri 1.776972200589466E-13 -4.435985019746384E-13 3.887982188979665E-10 -4.088592381642047E-9 4.21077368724448E-9 -5.333823502970056E-11
i -1.120461467108072E-15 2.64856694321666E-15 -5.646909230906542E-13 5.3216076672345E-11 -5.333823502970056E-11 2.980358532215338E-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 16.1   n/a MPO432537  

100948 (1998 OF13)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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