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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456669.5 (2014-Jan-12.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0525367249676096 4.5891e-08  
q 1.823447006303824 8.9496e-08 au
tp 2456935.840228669721
(2014-Oct-05.34022867)
0.00023057 TDB
node 14.60677566757731 1.2942e-05 deg
peri 248.1797100805837 8.3374e-05 deg
i 20.28224180749971 6.8443e-06 deg
  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
 Jupiter MOID = 2.99398 au 
 T_jup = 3.843 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.10601251974806E-15 -4.090910803366047E-15 -3.661177233739276E-12 3.74803152702415E-15 -1.252525801683043E-12 1.626598796518942E-14
q -4.090910803366047E-15 8.009548994765215E-15 8.007194463418071E-12 -7.784456166483233E-15 2.746797606418332E-12 -2.988554282023986E-14
tp -3.661177233739276E-12 8.007194463418071E-12 5.316336113517888E-8 -6.299233343463293E-11 1.899644770482417E-8 2.513323849003622E-11
node 3.74803152702415E-15 -7.784456166483233E-15 -6.299233343463293E-11 1.674921749883547E-10 -1.788248630698828E-10 -9.95917253915308E-12
peri -1.252525801683043E-12 2.746797606418332E-12 1.899644770482417E-8 -1.788248630698828E-10 6.951150108938991E-9 1.869493436989101E-11
i 1.626598796518942E-14 -2.988554282023986E-14 2.513323849003622E-11 -9.95917253915308E-12 1.869493436989101E-11 4.684384801028375E-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 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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