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22479 (1997 FY1)
Classification: Main-belt Asteroid          SPK-ID: 2022479
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042664640678173 4.7193e-08  
a 2.729299022717408 1.8267e-08 au
q 2.171794761963173 1.3371e-07 au
i 13.24478716197673 6.2632e-06 deg
node 11.92712060220617 1.9342e-05 deg
peri 289.892076741921 2.4122e-05 deg
M 8.294440293667268 1.3489e-05 deg
tp 2459162.554551451736
(2020-Nov-09.05455145)
6.1711e-05 TDB
period 1646.929870337917
4.51
1.6534e-05
4.527e-08
d
yr
n .2185885425261825 2.1945e-09 deg/d
Q 3.286803283471642 2.1998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      8579 days (23.49 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:06:50  

Additional Information
 Earth MOID = 1.19745 au 
 Jupiter MOID = 2.16614 au 
 T_jup = 3.287 
[ 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 13.96   n/a E2021B10  
diameter diameter 4.738 km 0.582 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22479 (1997 FY1)          Discovered 1997-Mar-29 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010309/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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