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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124530006108061 4.7006e-08  
a 2.640451763777282 1.1445e-08 au
q 2.079479863594703 1.2469e-07 au
i 16.75013854814249 5.4111e-06 deg
node 175.4250786380346 1.2469e-05 deg
peri 166.7589522417237 1.5938e-05 deg
M 313.2883588840517 8.5974e-06 deg
tp 2458803.847299331019
(2019-Nov-16.34729933)
3.7801e-05 TDB
period 1567.168825806317
4.29
1.0189e-05
2.79e-08
d
yr
n .2297136046046462 1.4935e-09 deg/d
Q 3.201423663959861 1.3876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      12469 days (34.14 yr)  
   first obs. used      1985-09-11  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51199  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:25:33  

Additional Information
 Earth MOID = 1.07471 au 
 Jupiter MOID = 2.24717 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 14.6   n/a MPO347845  
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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