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100100 (1993 FB25)
Classification: Outer Main-belt Asteroid          SPK-ID: 2100100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2368583373044923 4.1746e-08  
a 3.288834728724312 2.6768e-08 au
q 2.5098468032094 1.3936e-07 au
i .9416236682402542 4.1189e-06 deg
node 301.2307551978033 0.00037097 deg
peri 204.3978928340484 0.00037116 deg
M 256.7972893782222 1.4454e-05 deg
tp 2459825.025398184025
(2022-Sep-02.52539818)
9.2653e-05 TDB
period 2178.519750030727
5.96
2.6597e-05
7.282e-08
d
yr
n .1652498215795025 2.0175e-09 deg/d
Q 4.067822654239223 3.3108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      22014 days (60.27 yr)  
   first obs. used      1960-09-28  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:36  

Additional Information
 Earth MOID = 1.52188 au 
 Jupiter MOID = .9575 au 
 T_jup = 3.127 
[ 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 15.0   n/a MPO493562  
diameter diameter 4.984 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100100 (1993 FB25)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1993 FB25 = 1999 FP61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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