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101745 (1999 FR8)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101745
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05272591708992908 5.258e-08  
a 1.936833935748475 6.9105e-09 au
q 1.834712590235239 1.0356e-07 au
i 22.45194020737346 4.9576e-06 deg
node 183.0710918704141 1.3008e-05 deg
peri 38.77608851324192 4.2876e-05 deg
M 353.6898669654015 4.2721e-05 deg
tp 2459217.757306812496
(2021-Jan-03.25730681)
0.00011687 TDB
period 984.5482525383719
2.70
5.2692e-06
1.443e-08
d
yr
n .3656499303836501 1.9569e-09 deg/d
Q 2.03895528126171 7.2749e-09 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      7674 days (21.01 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65781  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:24  

Additional Information
 Earth MOID = .850421 au 
 Jupiter MOID = 2.93186 au 
 T_jup = 3.813 
[ 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 16.73   n/a E2021B55  

101745 (1999 FR8)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 FR8 = 2002 LS3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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