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JPL Small-Body Database Browser
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91066 (1998 FP66)
Classification: Main-belt Asteroid          SPK-ID: 2091066
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979239479969639 5.5412e-08  
a 2.637555752598478 2.1204e-08 au
q 2.115520304982084 1.5279e-07 au
i 12.73706476233114 6.2187e-06 deg
node 15.7538694827487 2.0747e-05 deg
peri 322.9305574903777 2.3886e-05 deg
M 290.1758191599426 1.6417e-05 deg
tp 2459303.961952816591
(2021-Mar-30.46195282)
7.3576e-05 TDB
period 1564.59125906851
4.28
1.8867e-05
5.166e-08
d
yr
n .2300920434735961 2.7746e-09 deg/d
Q 3.159591200214872 2.5401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      7984 days (21.86 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:46  

Additional Information
 Earth MOID = 1.12274 au 
 Jupiter MOID = 2.30463 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456493.5 (2013-Jul-20.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949449261941124 5.5155e-08  
q 2.125520091740191 1.515e-07 au
tp 2456173.677551258701
(2012-Sep-03.17755126)
5.9274e-05 TDB
node 15.96518667845163 2.0774e-05 deg
peri 322.8111825723832 2.4039e-05 deg
i 12.72266852703692 6.2096e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      7984 days (21.86 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:46  

Additional Information
 Jupiter MOID = 2.30463 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.042104232817744E-15 -8.307023974233281E-15 3.645701479046605E-13 1.044040282449782E-14 8.360229528510033E-14 1.899496923217297E-16
q -8.307023974233281E-15 2.295099726563426E-14 -8.306932071709836E-13 -2.716349215762979E-14 -1.881134334568492E-13 2.360738914180578E-16
tp 3.645701479046605E-13 -8.306932071709836E-13 3.513402669221762E-9 2.364840506720436E-12 7.377034248867128E-10 1.482066633119671E-12
node 1.044040282449782E-14 -2.716349215762979E-14 2.364840506720436E-12 4.315528047002229E-10 -4.198203994224642E-10 -2.665884573113585E-11
peri 8.360229528510033E-14 -1.881134334568492E-13 7.377034248867128E-10 -4.198203994224642E-10 5.778963750906913E-10 2.625641390462335E-11
i 1.899496923217297E-16 2.360738914180578E-16 1.482066633119671E-12 -2.665884573113585E-11 2.625641390462335E-11 3.855963693319371E-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 14.0   n/a MPO337938  
diameter diameter 4.367 km 0.946 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.617 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.404   0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91066 (1998 FP66)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 FP66 = 2000 WB130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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