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46138 (2001 FR56)
Classification: Main-belt Asteroid          SPK-ID: 2046138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123066911585985 4.3368e-08  
a 2.640290456339391 1.0914e-08 au
q 2.079739125856348 1.151e-07 au
i 16.75108415471642 4.9538e-06 deg
node 175.4067007156193 1.2324e-05 deg
peri 166.9035387106858 1.5494e-05 deg
M 91.04073029867807 8.5196e-06 deg
tp 2458804.213554756086
(2019-Nov-16.71355476)
3.6299e-05 TDB
period 1567.025218490374
4.29
9.716e-06
2.66e-08
d
yr
n .2297346563106454 1.4244e-09 deg/d
Q 3.200841786822433 1.3231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      12949 days (35.45 yr)  
   first obs. used      1985-09-11  
   last obs. used      2021-02-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:46:43  

Additional Information
 Earth MOID = 1.07407 au 
 Jupiter MOID = 2.25197 au 
 T_jup = 3.304 
[ 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 14.63   n/a MPCxxxxx  
diameter diameter 7.481 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46138 (2001 FR56)          Discovered 2001-Mar-21 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 FR56 = 1985 RH4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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