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123979 (2001 FB38)
Classification: Main-belt Asteroid          SPK-ID: 2123979
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842306936573742 4.1003e-08  
a 3.133550970244947 2.4048e-08 au
q 2.556254701385982 1.2295e-07 au
i 8.858148061464961 6.7941e-06 deg
node 327.7908006746737 2.6636e-05 deg
peri 259.1648826404096 3.1692e-05 deg
M 126.4266120666758 1.7481e-05 deg
tp 2458288.975971319883
(2018-Jun-19.47597132)
9.6432e-05 TDB
period 2026.065921862658
5.55
2.3323e-05
6.385e-08
d
yr
n .1776842481359318 2.0454e-09 deg/d
Q 3.710847239103912 2.8478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      6840 days (18.73 yr)  
   first obs. used      2001-03-15  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51988  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 10:14:06  

Additional Information
 Earth MOID = 1.56596 au 
 Jupiter MOID = 1.45554 au 
 T_jup = 3.168 
[ 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 14.4   n/a MPO436601  
diameter diameter 8.617 km 0.559 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123979 (2001 FB38)          Discovered 2001-Mar-18 by LINEAR at Socorro
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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