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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 ]

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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 
[ show covariance matrix ]

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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