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46195 (2001 FM144)
Classification: Main-belt Asteroid          SPK-ID: 2046195
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03347463305580062 3.6835e-08  
a 2.789174057439587 1.406e-08 au
q 2.695807479338038 1.0556e-07 au
i 4.822229308993846 3.7754e-06 deg
node 157.2993426979949 5.723e-05 deg
peri 128.6916079646344 9.0371e-05 deg
M 326.4409182358907 6.9155e-05 deg
tp 2459159.105930079414
(2020-Nov-05.60593008)
0.00032669 TDB
period 1701.421249542476
4.66
1.2865e-05
3.522e-08
d
yr
n .21158781230504 1.5999e-09 deg/d
Q 2.882540635541136 1.4531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:39:44  

Additional Information
 Earth MOID = 1.68281 au 
 Jupiter MOID = 2.16226 au 
 T_jup = 3.324 
[ 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 14.8   n/a MPO436105  
diameter diameter 6.470 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46195 (2001 FM144)          Discovered 2001-Mar-23 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 FM144 = 1998 SF72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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