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 ]  
11708 (1998 HT19)
Classification: Main-belt Asteroid          SPK-ID: 2011708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173843535708714 4.8815e-08  
a 2.13469597575258 5.9506e-09 au
q 1.884116068568523 1.0451e-07 au
i 2.515545397411435 5.039e-06 deg
node 215.6112010791751 5.8583e-05 deg
peri 169.2151648425674 5.9883e-05 deg
M 192.8013038195986 1.2924e-05 deg
tp 2459529.594028068107
(2021-Nov-11.09402807)
4.1164e-05 TDB
period 1139.206551581025
3.12
4.7634e-06
1.304e-08
d
yr
n .316009418573288 1.3213e-09 deg/d
Q 2.385275882936637 6.6491e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      10284 days (28.16 yr)  
   first obs. used      1992-04-23  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:57:47  

Additional Information
 Earth MOID = .887863 au 
 Jupiter MOID = 3.03261 au 
 T_jup = 3.708 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO467800  
diameter diameter 2.100 km 0.642 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.304   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11708 (1998 HT19)          Discovered 1998-Apr-18 by LINEAR at Socorro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HT19 = 1993 TX11 = 1996 TZ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-15 18:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin