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 ]  
20344 (1998 HF103)
Classification: Main-belt Asteroid          SPK-ID: 2020344
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692342901989878 5.2264e-08  
a 2.392689032838623 9.7233e-09 au
q 1.987764002699276 1.2723e-07 au
i 2.57211765860336 3.7648e-06 deg
node 44.49508101235714 9.1964e-05 deg
peri 112.7698127951194 9.2616e-05 deg
M 297.0092380996484 1.0437e-05 deg
tp 2458837.038683806749
(2019-Dec-19.53868381)
3.9574e-05 TDB
period 1351.847851993585
3.70
8.2404e-06
2.256e-08
d
yr
n .2663021577976427 1.6233e-09 deg/d
Q 2.79761406297797 1.1369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      15428 days (42.24 yr)  
   first obs. used      1977-09-10  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53426  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:43:16  

Additional Information
 Earth MOID = .999248 au 
 Jupiter MOID = 2.18994 au 
 T_jup = 3.510 
[ 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 15.2   n/a MPO416924  

20344 (1998 HF103)          Discovered 1998-Apr-25 by Elst, E. W. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HF103 = 1977 RR10 = 1994 GC10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-22 14:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin