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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 ]

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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 .1979239532082575 5.4493e-08  
a 2.63755575563166 2.0345e-08 au
q 2.115520293669849 1.5123e-07 au
i 12.73706377773077 5.9894e-06 deg
node 15.75387160391854 2.0294e-05 deg
peri 322.930556249611 2.3494e-05 deg
M 290.1758168435105 1.5796e-05 deg
tp 2459303.961963407477
(2021-Mar-30.46196341)
7.0675e-05 TDB
period 1564.591261767423
4.28
1.8103e-05
4.956e-08
d
yr
n .2300920430766883 2.6622e-09 deg/d
Q 3.159591217593471 2.4372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1030  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:37:22  

Additional Information
 Earth MOID = 1.12274 au 
 Jupiter MOID = 2.30463 au 
 T_jup = 3.334 
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Orbital Elements at Epoch 2456569.5 (2013-Oct-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1950827720612248 5.4283e-08  
q 2.12563333490203 1.5022e-07 au
tp 2456173.897494935859
(2012-Sep-03.39749494)
5.8449e-05 TDB
node 15.93977580520147 2.0322e-05 deg
peri 322.8954257144486 2.3638e-05 deg
i 12.72038750055326 5.9809e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1030  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:37:22  

Additional Information
 Jupiter MOID = 2.30463 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.946654567647922E-15 -8.112806682768496E-15 2.670841100430632E-13 1.024125247468518E-14 6.730040649544314E-14 -2.295574004463633E-16
q -8.112806682768496E-15 2.25670731695583E-14 -6.226106642211697E-13 -2.724797013291252E-14 -1.527599040017853E-13 9.587177557005792E-16
tp 2.670841100430632E-13 -6.226106642211697E-13 3.416326987679725E-9 -8.028393283996188E-13 7.243238715790255E-10 2.394681080640719E-12
node 1.024125247468518E-14 -2.724797013291252E-14 -8.028393283996188E-13 4.129896660458256E-10 -4.024531770772307E-10 -1.95120366428101E-11
peri 6.730040649544314E-14 -1.527599040017853E-13 7.243238715790255E-10 -4.024531770772307E-10 5.587695973875917E-10 1.9491216835356E-11
i -2.295574004463633E-16 9.587177557005792E-16 2.394681080640719E-12 -1.95120366428101E-11 1.9491216835356E-11 3.577068231078218E-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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