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JPL Small-Body Database Browser
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11185 (1998 HS100)
Classification: Main-belt Asteroid          SPK-ID: 2011185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07667557153558033 3.6416e-08  
a 3.058573288436961 1.8035e-08 au
q 2.824055433462597 1.0706e-07 au
i 2.890379742268807 4.6651e-06 deg
node 162.4096250727324 8.0632e-05 deg
peri 297.1153901872371 8.6728e-05 deg
M 87.18051263703849 3.3188e-05 deg
tp 2458127.355624732726
(2018-Jan-08.85562473)
0.00017873 TDB
period 1953.784968039444
5.35
1.7281e-05
4.731e-08
d
yr
n .1842577386401164 1.6297e-09 deg/d
Q 3.293091143411324 1.9418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1664  
   data-arc span      15745 days (43.11 yr)  
   first obs. used      1976-04-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50458  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:53:55  

Additional Information
 Earth MOID = 1.84257 au 
 Jupiter MOID = 1.82222 au 
 T_jup = 3.228 
[ 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 13.4   n/a MPO439165  
diameter diameter 9.803 km 0.359 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11185 (1998 HS100)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HS100 = 1976 GD1 = 1992 EX34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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