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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1740127017611253 4.2828e-08  
a 2.3809589242592 1.12e-08 au
q 1.966641829066594 1.0285e-07 au
i 3.3146396338422 4.3709e-06 deg
node 78.89894453879944 8.1077e-05 deg
peri 175.5872003272093 8.2108e-05 deg
M 18.06596377239437 1.4653e-05 deg
tp 2458933.158169732791
(2020-Mar-24.65816973)
5.4394e-05 TDB
period 1341.918936715672
3.67
9.4683e-06
2.592e-08
d
yr
n .2682725387876968 1.8929e-09 deg/d
Q 2.795276019451805 1.3149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   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      .65089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:36:14  

Additional Information
 Earth MOID = .951937 au 
 Jupiter MOID = 2.25039 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456926.5 (2014-Sep-26.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744093079557933 4.2843e-08  
q 1.964794631524583 1.0287e-07 au
tp 2457590.488585769835
(2016-Jul-20.98858577)
5.0281e-05 TDB
node 78.94959992477723 8.1003e-05 deg
peri 175.4007039444752 8.2025e-05 deg
i 3.316332095907333 4.3735e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      439  
   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      .65089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:36:14  

Additional Information
 Jupiter MOID = 2.25039 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.835525977893013E-15 -4.389179580248086E-15 -7.365226538961309E-13 -2.48189585882191E-14 -1.26134874346415E-13 -6.935852613839229E-16
q -4.389179580248086E-15 1.058136166243244E-14 1.90585762172611E-12 5.853127623082859E-14 3.281738860524571E-13 1.776454556687436E-15
tp -7.365226538961309E-13 1.90585762172611E-12 2.528204368384372E-9 1.214738875553944E-12 6.654074347296477E-10 1.38500886947142E-12
node -2.48189585882191E-14 5.853127623082859E-14 1.214738875553944E-12 6.561543282816679E-9 -6.550184060988124E-9 -9.775567673631817E-11
peri -1.26134874346415E-13 3.281738860524571E-13 6.654074347296477E-10 -6.550184060988124E-9 6.728164053939485E-9 9.795134053234464E-11
i -6.935852613839229E-16 1.776454556687436E-15 1.38500886947142E-12 -9.775567673631817E-11 9.795134053234464E-11 1.912780900091462E-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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