Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07563713688629825 3.5922e-08  
a 3.062424897210852 1.7227e-08 au
q 2.830791846056507 1.0526e-07 au
i 2.889906761464764 4.5258e-06 deg
node 162.351355626638 7.9605e-05 deg
peri 297.8186162659599 8.5778e-05 deg
M 160.196821989484 3.3504e-05 deg
tp 2458129.440157001944
(2018-Jan-10.94015700)
0.00017935 TDB
period 1957.476681403112
5.36
1.6517e-05
4.522e-08
d
yr
n .1839102367962582 1.5518e-09 deg/d
Q 3.294057948365197 1.853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1740  
   data-arc span      16201 days (44.36 yr)  
   first obs. used      1976-04-01  
   last obs. used      2020-08-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:01:15  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-18 15:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin