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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
19490 (1998 HC150)
Classification: Main-belt Asteroid          SPK-ID: 2019490
[ 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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .177559060625336 6.3812e-08  
a 2.623254788820972 1.2687e-08 au
q 2.157472132737006 1.6525e-07 au
i 15.07885324735264 5.6409e-06 deg
node 40.2310628401796 1.538e-05 deg
peri 1.056581879016984 1.8983e-05 deg
M 231.5731088154412 1.2917e-05 deg
tp 2459554.121066205237
(2021-Dec-05.62106621)		 5.7612e-05 TDB
period 1551.883581355803
4.25		 1.1258e-05
3.082e-08		 d
yr
n .2319761638856221 1.6829e-09 deg/d
Q 3.089037444904938 1.494e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1512  
   data-arc span      13235 days (36.24 yr)  
   first obs. used      1983-11-06  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:49:09  

Additional Information
 Earth MOID = 1.16585 au 
 Jupiter MOID = 2.33671 au 
 T_jup = 3.333 
[ 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 13.2   n/a MPO474022  
diameter diameter 5.695 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.217   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19490 (1998 HC150)          Discovered 1998-Apr-19 by Spacewatch at Kitt Peak
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HC150 = 1983 VD2 = 1987 UJ1 = 2000 UK2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-24 23:18 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin