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101770 (1999 FL56)
Classification: Main-belt Asteroid          SPK-ID: 2101770
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094140095365005 4.2346e-08  
a 3.196794990929719 3.0056e-08 au
q 2.847020833305898 1.4015e-07 au
i 5.529902152216458 4.8871e-06 deg
node 69.2941998907675 4.9358e-05 deg
peri 78.47443067363029 5.5122e-05 deg
M 274.924005100428 2.5091e-05 deg
tp 2459493.872730560434
(2021-Oct-06.37273056)
0.00014839 TDB
period 2087.712088602913
5.72
2.9443e-05
8.061e-08
d
yr
n .1724375702786251 2.4319e-09 deg/d
Q 3.54656914855354 3.3345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      7642 days (20.92 yr)  
   first obs. used      1999-02-23  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57101  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:26:15  

Additional Information
 Earth MOID = 1.86545 au 
 Jupiter MOID = 1.48774 au 
 T_jup = 3.179 
[ 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 14.7   n/a MPO453471  
diameter diameter 5.524 km 0.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101770 (1999 FL56)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 FL56 = 2003 XF39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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