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100099 (1993 FG21)
Classification: Main-belt Asteroid          SPK-ID: 2100099
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02369952090727571 4.8154e-08  
a 3.004332337670774 2.7545e-08 au
q 2.933131100621741 1.3498e-07 au
i .9117159609173707 4.6912e-06 deg
node 304.7686959092757 0.00029071 deg
peri 210.1550609020772 0.00030678 deg
M 156.560943871648 9.7596e-05 deg
tp 2458373.317542269816
(2018-Sep-11.81754227)
0.0005151 TDB
period 1902.04323900217
5.21
2.6158e-05
7.162e-08
d
yr
n .189270145188108 2.603e-09 deg/d
Q 3.075533574719806 2.8198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      9547 days (26.14 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59582  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:34:08  

Additional Information
 Earth MOID = 1.94169 au 
 Jupiter MOID = 1.89543 au 
 T_jup = 3.251 
[ 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 15.3   n/a MPO469005  

100099 (1993 FG21)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1993 FG21 = 2001 XX225 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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