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146286 (2001 FR155)
Classification: Main-belt Asteroid          SPK-ID: 2146286
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736520385842229 4.304e-08  
a 2.380219566878308 1.1274e-08 au
q 1.966889586811834 1.0328e-07 au
i 3.314950526657258 4.381e-06 deg
node 78.89968373230319 8.1214e-05 deg
peri 175.5873927280276 8.225e-05 deg
M 270.709895379328 1.433e-05 deg
tp 2458933.178542013888
(2020-Mar-24.67854201)
5.446e-05 TDB
period 1341.293927628264
3.67
9.5299e-06
2.609e-08
d
yr
n .2683975470138512 1.907e-09 deg/d
Q 2.793549546944782 1.3232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1998-06-22  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:42:24  

Additional Information
 Earth MOID = .951908 au 
 Jupiter MOID = 2.25191 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456919.5 (2014-Sep-19.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744187489320067 4.3015e-08  
q 1.964756314761743 1.033e-07 au
tp 2456249.507088932950
(2012-Nov-18.00708893)
4.8055e-05 TDB
node 78.94959318076312 8.1149e-05 deg
peri 175.4016429130921 8.2173e-05 deg
i 3.316348200723681 4.3829e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1998-06-22  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:42:24  

Additional Information
 Jupiter MOID = 2.25191 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.85028743792353E-15 -4.425623878214688E-15 -7.069909105471378E-13 -2.559170965240616E-14 -1.217256401068662E-13 -7.263948289939711E-16
q -4.425623878214688E-15 1.067133343923279E-14 1.746571030933407E-12 6.039624169141163E-14 3.172575126127954E-13 1.856378676920006E-15
tp -7.069909105471378E-13 1.746571030933407E-12 2.309271293720518E-9 2.135567919297185E-12 6.382914329808333E-10 1.285012965618683E-12
node -2.559170965240616E-14 6.039624169141163E-14 2.135567919297185E-12 6.585092601427272E-9 -6.573621508261784E-9 -9.637061449476435E-11
peri -1.217256401068662E-13 3.172575126127954E-13 6.382914329808333E-10 -6.573621508261784E-9 6.752348358029636E-9 9.657621995800328E-11
i -7.263948289939711E-16 1.856378676920006E-15 1.285012965618683E-12 -9.637061449476435E-11 9.657621995800328E-11 1.920962480250592E-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 16.5   n/a MPO426924  

146286 (2001 FR155)          Discovered 2001-Mar-26 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 FR155 = 2005 JD32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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