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JPL Small-Body Database Browser
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58790 (1998 FN81)
Classification: Main-belt Asteroid          SPK-ID: 2058790
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167912840364367 5.9791e-08  
a 2.727806679687095 1.5002e-08 au
q 2.40922263496327 1.6696e-07 au
i 3.749781495980598 3.9248e-06 deg
node 75.5355051546602 8.2952e-05 deg
peri 109.6854345783199 8.4577e-05 deg
M 317.473840476468 1.6901e-05 deg
tp 2459194.889352366139
(2020-Dec-11.38935237)
7.7695e-05 TDB
period 1645.579277223146
4.51
1.3575e-05
3.717e-08
d
yr
n .2187679469368906 1.8047e-09 deg/d
Q 3.046390724410919 1.6754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      10291 days (28.18 yr)  
   first obs. used      1991-10-04  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:04:11  

Additional Information
 Earth MOID = 1.41393 au 
 Jupiter MOID = 1.91515 au 
 T_jup = 3.343 
[ 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 14.7   n/a MPO452967  

58790 (1998 FN81)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FN81 = 2000 SY250 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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