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46181 (2001 FM113)
Classification: Main-belt Asteroid          SPK-ID: 2046181
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673237137123583 6.5041e-08  
a 2.553379112142809 1.2938e-08 au
q 2.12613823658351 1.7105e-07 au
i 10.78182533235528 6.6872e-06 deg
node 332.1465536127514 1.6485e-05 deg
peri 332.804966330753 2.2757e-05 deg
M 164.4254620747924 1.2717e-05 deg
tp 2458319.827900974980
(2018-Jul-20.32790098)
5.3144e-05 TDB
period 1490.292029938433
4.08
1.1327e-05
3.101e-08
d
yr
n .2415633934611275 1.836e-09 deg/d
Q 2.980619987702108 1.5103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1847  
   data-arc span      7794 days (21.34 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4173  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:22:57  

Additional Information
 Earth MOID = 1.11763 au 
 Jupiter MOID = 2.31556 au 
 T_jup = 3.395 
[ 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 14.5   n/a MPO449292  
diameter diameter 3.668 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46181 (2001 FM113)          Discovered 2001-Mar-18 by JPL/NEAT at Haleakala
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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