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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07563713662006906 3.5926e-08  
a 3.06242489637942 1.7284e-08 au
q 2.830791846103268 1.0526e-07 au
i 2.889906409173623 4.5877e-06 deg
node 162.35135391745 7.9742e-05 deg
peri 297.8186205195112 8.6017e-05 deg
M 160.1968198737287 3.3708e-05 deg
tp 2458129.440168860958
(2018-Jan-10.94016886)
0.00018054 TDB
period 1957.476680605945
5.36
1.6572e-05
4.537e-08
d
yr
n .1839102368711542 1.557e-09 deg/d
Q 3.29405794665557 1.8592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1706  
   data-arc span      16098 days (44.07 yr)  
   first obs. used      1976-04-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:30:06  

Additional Information
 Earth MOID = 1.84917 au 
 Jupiter MOID = 1.81664 au 
 T_jup = 3.227 
[ 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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