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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457420.5 (2016-Feb-02.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2347861732742378 4.2646e-08  
q 2.519334457642582 1.4288e-07 au
tp 2457648.860580076947
(2016-Sep-17.36058008)
7.6963e-05 TDB
node 301.555791793751 0.00037128 deg
peri 204.7266449988101 0.00037147 deg
i .9401954455942194 4.1216e-06 deg
  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
 Jupiter MOID = .9575 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.818709495094127E-15 -6.030531199930418E-15 1.076448644197011E-12 -7.953532885472535E-15 2.510337217125735E-13 -2.045090276366068E-16
q -6.030531199930418E-15 2.041366972796719E-14 -2.821815226787487E-12 3.079044935972558E-14 -7.314442129781695E-13 8.229741889344822E-16
tp 1.076448644197011E-12 -2.821815226787487E-12 5.923378427754173E-9 3.069585159498501E-11 9.843260264169062E-10 7.76930242438277E-14
node -7.953532885472535E-15 3.079044935972558E-14 3.069585159498501E-11 1.378465281019773E-7 -1.378229762845598E-7 3.142534223926173E-10
peri 2.510337217125735E-13 -7.314442129781695E-13 9.843260264169062E-10 -1.378229762845598E-7 1.379879485617462E-7 -3.14218249162213E-10
i -2.045090276366068E-16 8.229741889344822E-16 7.76930242438277E-14 3.142534223926173E-10 -3.14218249162213E-10 1.698772005396187E-11

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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