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17811 (1998 FH105)
Classification: Main-belt Asteroid          SPK-ID: 2017811
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517719671903167 2.2925e-08  
a 2.776548480987721 1.0955e-08 au
q 2.355146256028929 6.4289e-08 au
i 6.054809060599276 3.5762e-07 deg
node 249.1871846498526 6.8387e-06 deg
peri 246.2265038700699 8.0984e-06 deg
M 7.410134864024113 4.3376e-06 deg
tp 2459165.715967366700
(2020-Nov-12.21596737)
2.0304e-05 TDB
period 1689.881760287935
4.63
1.0001e-05
2.738e-08
d
yr
n .2130326561656364 1.2608e-09 deg/d
Q 3.197950705946513 1.2617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2318  
   data-arc span      18639 days (51.03 yr)  
   first obs. used      1970-03-04  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47936  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:13:58  

Additional Information
 Earth MOID = 1.37707 au 
 Jupiter MOID = 1.89849 au 
 T_jup = 3.310 
[ 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 13.45   n/a E2021B10  
diameter diameter 11.776 km 0.627 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.067   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17811 (1998 FH105)          Discovered 1998-Mar-31 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FH105 = 1970 EG2 = 1991 RP36 = 1994 LY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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