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JPL Small-Body Database Browser
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17812 (1998 FH109)
Classification: Main-belt Asteroid          SPK-ID: 2017812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124721069389358 3.5958e-08  
a 3.100245790896575 1.8751e-08 au
q 2.75155461476587 1.1207e-07 au
i 14.63809080338477 4.1635e-06 deg
node 209.6629188267939 1.591e-05 deg
peri 119.6115892056503 2.487e-05 deg
M 248.925532107597 2.0752e-05 deg
tp 2459615.683044881942
(2022-Feb-05.18304488)
0.00011754 TDB
period 1993.850615355019
5.46
1.8089e-05
4.952e-08
d
yr
n .1805551515382207 1.6381e-09 deg/d
Q 3.44893696702728 2.086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1634  
   data-arc span      11587 days (31.72 yr)  
   first obs. used      1988-05-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:12:52  

Additional Information
 Earth MOID = 1.77737 au 
 Jupiter MOID = 2.00794 au 
 T_jup = 3.163 
[ 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 13.0   n/a MPO337409  
diameter diameter 14.206 km 2.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.061   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17812 (1998 FH109)          Discovered 1998-Mar-31 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FH109 = 1988 JP2 = 1999 NP57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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