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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170046055315892 3.7125e-08  
a 2.835783637442642 2.0589e-08 au
q 2.503983891570731 9.9607e-08 au
i 12.65724107974421 6.1802e-06 deg
node 181.3367649271942 1.8752e-05 deg
peri 116.8144842138134 3.6298e-05 deg
M 93.2811994105832 3.1675e-05 deg
tp 2458748.540326583588
(2019-Sep-22.04032658)
0.00015141 TDB
period 1744.247323769388
4.78
1.8996e-05
5.201e-08
d
yr
n .2063927489491718 2.2477e-09 deg/d
Q 3.167583383314554 2.2998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      8855 days (24.24 yr)  
   first obs. used      1996-10-15  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:28  

Additional Information
 Earth MOID = 1.51732 au 
 Jupiter MOID = 2.14796 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 15.34   n/a E2021B55  
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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