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91043 (1998 FG15)
Classification: Inner Main-belt Asteroid          SPK-ID: 2091043
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05279845917121588 4.5975e-08  
a 1.924788576256553 8.5049e-09 au
q 1.823162705199849 8.979e-08 au
i 20.28084346530016 6.8442e-06 deg
node 14.57487939801819 1.2942e-05 deg
peri 248.041763018092 8.2951e-05 deg
M 42.27329880526658 8.7408e-05 deg
tp 2458885.965423542787
(2020-Feb-06.46542354)
0.00023639 TDB
period 975.3780445319752
2.67
6.4647e-06
1.77e-08
d
yr
n .3690876599265079 2.4463e-09 deg/d
Q 2.026414447313257 8.954e-09 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      8169 days (22.37 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52875  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:15:00  

Additional Information
 Earth MOID = .863501 au 
 Jupiter MOID = 2.99398 au 
 T_jup = 3.843 
[ 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 16.2   n/a MPO474788  

91043 (1998 FG15)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 FG15 = 1999 UK10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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