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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167913072912154 5.8955e-08  
a 2.727806676323421 1.487e-08 au
q 2.409222568557904 1.6502e-07 au
i 3.749782935962354 3.9028e-06 deg
node 75.53544795109734 8.0509e-05 deg
peri 109.6854827087815 8.2192e-05 deg
M 317.4738534024834 1.6901e-05 deg
tp 2459194.889292921077
(2020-Dec-11.38929292)
7.7695e-05 TDB
period 1645.579274179387
4.51
1.3455e-05
3.684e-08
d
yr
n .2187679473415365 1.7888e-09 deg/d
Q 3.046390784088939 1.6606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      10348 days (28.33 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:36:48  

Additional Information
 Earth MOID = 1.41393 au 
 Jupiter MOID = 1.91515 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456685.5 (2014-Jan-28.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117526631029254 5.8901e-08  
q 2.406367694152399 1.6491e-07 au
tp 2455907.200176775052
(2011-Dec-11.70017677)
7.4416e-05 TDB
node 75.58711647984352 8.0517e-05 deg
peri 110.1798995638163 8.2182e-05 deg
i 3.750170849302051 3.9026e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      10348 days (28.33 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:36:48  

Additional Information
 Jupiter MOID = 1.91515 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.469313816724765E-15 -9.685246093774802E-15 -3.781874672055808E-13 3.314364252704253E-14 -8.769948943788378E-15 -3.792367386992254E-15
q -9.685246093774802E-15 2.719513318955301E-14 9.678292101115567E-13 -9.415665720608683E-14 2.171681385406324E-14 1.086908028614718E-14
tp -3.781874672055808E-13 9.678292101115567E-13 5.53772908183788E-9 -9.959871839017711E-12 1.257727365781326E-9 2.108963110143533E-12
node 3.314364252704253E-14 -9.415665720608683E-14 -9.959871839017711E-12 6.482973683511896E-9 -6.470285920098842E-9 -4.512099239944272E-11
peri -8.769948943788378E-15 2.171681385406324E-14 1.257727365781326E-9 -6.470285920098842E-9 6.753818695617374E-9 4.541050164340773E-11
i -3.792367386992254E-15 1.086908028614718E-14 2.108963110143533E-12 -4.512099239944272E-11 4.541050164340773E-11 1.523000523750658E-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 14.7   n/a MPO452967  

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

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