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249442 (2009 FO57)
Classification: Main-belt Asteroid          SPK-ID: 2249442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08702898912570878 5.846e-08  
a 3.139845475342394 3.7968e-08 au
q 2.866587897612415 2.0322e-07 au
i 5.536127861523864 5.5237e-06 deg
node 169.9695392080204 5.379e-05 deg
peri 69.02590902007751 6.5621e-05 deg
M 39.48940704775192 3.4186e-05 deg
tp 2459173.585175389619
(2020-Nov-20.08517539)
0.00019287 TDB
period 2032.173761502597
5.56
3.686e-05
1.009e-07
d
yr
n .1771502057647938 3.2132e-09 deg/d
Q 3.413103053072373 4.1272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8952 days (24.51 yr)  
   first obs. used      1995-11-21  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:07:30  

Additional Information
 Earth MOID = 1.86118 au 
 Jupiter MOID = 1.59571 au 
 T_jup = 3.198 
[ 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 16.05   n/a E2021B55  
diameter diameter 3.550 km 0.563 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249442 (2009 FO57)          Discovered 2009-Mar-19 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 FO57 = 2005 SZ159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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