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 ]  
136892 (1998 HD24)
Classification: Main-belt Asteroid          SPK-ID: 2136892
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03786144019411086 3.8087e-08  
a 2.265277913817376 1.2382e-08 au
q 2.179511229560339 8.5857e-08 au
i 5.985815104440326 6.3045e-06 deg
node 187.8894403520985 4.1195e-05 deg
peri 272.0065341563303 9.319e-05 deg
M 179.7601401593592 8.3497e-05 deg
tp 2457978.670158142449
(2017-Aug-13.17015814)		 0.00028866 TDB
period 1245.319139550433
3.41		 1.0211e-05
2.796e-08		 d
yr
n .2890825239624615 2.3703e-09 deg/d
Q 2.351044598074413 1.2851e-08 au
   Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      7318 days (20.04 yr)  
   first obs. used      1998-04-20  
   last obs. used      2018-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65517  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:27:51  

Additional Information
 Earth MOID = 1.20622 au 
 Jupiter MOID = 2.68667 au 
 T_jup = 3.608 
[ 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 16.6   n/a MPO436675  

136892 (1998 HD24)          Discovered 1998-Apr-28 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 HD24 = 2005 LQ31 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin