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120231 (2004 FF64)
Classification: Main-belt Asteroid          SPK-ID: 2120231
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 .1171007447807341 3.9917e-08  
a 2.835539544715397 2.7875e-08 au
q 2.503495752174001 1.1286e-07 au
i 12.65778300889697 6.9829e-06 deg
node 181.3377570082649 2.1359e-05 deg
peri 116.7555336657463 3.9562e-05 deg
M 52.04488198771777 3.3434e-05 deg
tp 2458748.368262429412
(2019-Sep-21.86826243)
0.0001607 TDB
period 1744.02212203752
4.77
2.5717e-05
7.041e-08
d
yr
n .2064193999898444 3.0439e-09 deg/d
Q 3.167583337256795 3.114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      7876 days (21.56 yr)  
   first obs. used      1996-10-15  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58972  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:42:13  

Additional Information
 Earth MOID = 1.51877 au 
 Jupiter MOID = 2.1489 au 
 T_jup = 3.266 
[ 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 15.3   n/a MPO436580  
diameter diameter 2.475 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.219   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120231 (2004 FF64)          Discovered 2004-Mar-19 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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