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100304 (1995 FJ20)
Classification: Main-belt Asteroid          SPK-ID: 2100304
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017031537782259 5.4524e-08  
a 2.23310164966663 1.0931e-08 au
q 2.005988169188175 1.2463e-07 au
i 1.815569206770391 5.545e-06 deg
node 81.11384700811949 0.00017171 deg
peri 101.5084038039673 0.00017405 deg
M 250.3472660136625 3.0706e-05 deg
tp 2459571.759973346075
(2021-Dec-23.25997335)
0.00010545 TDB
period 1218.880601930455
3.34
8.9499e-06
2.45e-08
d
yr
n .295352965195963 2.1687e-09 deg/d
Q 2.460215130145085 1.2043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      9447 days (25.86 yr)  
   first obs. used      1995-03-07  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54593  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:24:57  

Additional Information
 Earth MOID = 1.00858 au 
 Jupiter MOID = 2.49553 au 
 T_jup = 3.633 
[ 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 17.5   n/a MPO474878  

100304 (1995 FJ20)          Discovered 1995-Mar-31 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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