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JPL Small-Body Database Browser
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91065 (1998 FM66)
Classification: Main-belt Asteroid          SPK-ID: 2091065
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1018799864087894 3.5254e-08  
a 2.615544821075094 1.1912e-08 au
q 2.349073150252384 9.1467e-08 au
i 13.69712540266558 6.5632e-06 deg
node 11.34840565579845 1.5978e-05 deg
peri 113.6337156902257 3.6894e-05 deg
M 146.0180488523485 3.2537e-05 deg
tp 2458373.820169828623
(2018-Sep-12.32016983)
0.00013896 TDB
period 1545.046935189665
4.23
1.0555e-05
2.89e-08
d
yr
n .2330026304060514 1.5917e-09 deg/d
Q 2.882016491897804 1.3125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48993  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:46  

Additional Information
 Earth MOID = 1.39868 au 
 Jupiter MOID = 2.19436 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456863.5 (2014-Jul-25.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034401022568072 3.5075e-08  
q 2.343866339312113 9.131e-08 au
tp 2456829.308384841720
(2014-Jun-20.80838484)
0.0001356 TDB
node 11.42565718726879 1.5976e-05 deg
peri 113.1653246305725 3.6457e-05 deg
i 13.70119412293804 6.5648e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48993  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:46  

Additional Information
 Jupiter MOID = 2.19436 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.230251814634187E-15 -3.180642793589338E-15 1.378230701144348E-12 3.462645015578939E-15 3.122787593594288E-13 7.974280593322468E-16
q -3.180642793589338E-15 8.337436301245799E-15 -3.508291022839897E-12 -9.371579815417756E-15 -7.93386873406179E-13 -1.443993838017967E-15
tp 1.378230701144348E-12 -3.508291022839897E-12 1.838802341228837E-8 1.294351530368804E-11 4.453023354109348E-9 9.412542933822505E-12
node 3.462645015578939E-15 -9.371579815417756E-15 1.294351530368804E-11 2.55220940430611E-10 -2.441358407811134E-10 1.979768195388203E-11
peri 3.122787593594288E-13 -7.93386873406179E-13 4.453023354109348E-9 -2.441358407811134E-10 1.329143997075855E-9 -1.682721355465835E-11
i 7.974280593322468E-16 -1.443993838017967E-15 9.412542933822505E-12 1.979768195388203E-11 -1.682721355465835E-11 4.309706932997395E-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 14.4   n/a MPO474789  
diameter diameter 3.724 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.7284 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.292   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91065 (1998 FM66)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 FM66 = 2000 RO39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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