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123961 (2001 FW13)
Classification: Main-belt Asteroid          SPK-ID: 2123961
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 .1259065042121471 4.0715e-08  
a 3.159577196197615 2.6316e-08 au
q 2.761765876635956 1.2896e-07 au
i 4.995207133002365 5.4929e-06 deg
node 167.5848722733827 5.0382e-05 deg
peri 125.800290206425 5.457e-05 deg
M 54.48260865303393 2.0762e-05 deg
tp 2458690.045988586789
(2019-Jul-25.54598859)
0.00011761 TDB
period 2051.360000408723
5.62
2.5628e-05
7.017e-08
d
yr
n .1754933312184462 2.1925e-09 deg/d
Q 3.557388515759274 2.9629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      2000-01-07  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57801  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:34:48  

Additional Information
 Earth MOID = 1.74967 au 
 Jupiter MOID = 1.65558 au 
 T_jup = 3.187 
[ 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 14.1   n/a MPO426780  
diameter diameter 7.775 km 0.494 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123961 (2001 FW13)          Discovered 2001-Mar-19 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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