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 ]  
13697 (1998 HJ133)
Classification: Main-belt Asteroid          SPK-ID: 2013697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2374888843659184 3.311e-08  
a 2.461683884380994 9.4463e-09 au
q 1.877061325017791 7.9491e-08 au
i 8.418280697797886 3.2716e-06 deg
node 153.8329534482365 2.8725e-05 deg
peri 200.7710583161231 2.9904e-05 deg
M 1.91448815137364 1.0414e-05 deg
tp 2458592.997654979640
(2019-Apr-19.49765498)
4.0782e-05 TDB
period 1410.739578300304
3.86
8.1203e-06
2.223e-08
d
yr
n .2551852982204819 1.4689e-09 deg/d
Q 3.046306443744197 1.169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1898  
   data-arc span      25676 days (70.30 yr)  
   first obs. used      1949-08-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:37:23  

Additional Information
 Earth MOID = .873373 au 
 Jupiter MOID = 2.39273 au 
 T_jup = 3.436 
[ 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 13.8   n/a MPO502272  
diameter diameter 4.333 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.342   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13697 (1998 HJ133)          Discovered 1998-Apr-19 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HJ133 = 1949 QA1 = 1949 QJ2 = 1949 QO1 = 1980 TA2 = 1999 NU46 = 4237 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 02:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin