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 ]  
17972 Ascione (1999 JH51)
Classification: Main-belt Asteroid          SPK-ID: 2017972
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01381364225257864 3.5598e-08  
a 2.724263812034156 1.4404e-08 au
q 2.68663180633307 9.5597e-08 au
i 5.139459792146961 4.393e-06 deg
node 201.3694974284125 4.3463e-05 deg
peri 46.00489997402445 0.00016565 deg
M 233.2706079483401 0.00016061 deg
tp 2459578.658639501722
(2021-Dec-30.15863950)
0.00073303 TDB
period 1642.374407791484
4.50
1.3025e-05
3.566e-08
d
yr
n .2191948427180471 1.7384e-09 deg/d
Q 2.761895817735243 1.4603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1461  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1996-10-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52193  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:16:18  

Additional Information
 Earth MOID = 1.67639 au 
 Jupiter MOID = 2.20852 au 
 T_jup = 3.351 
[ 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 14.4   n/a MPO358804  

17972 Ascione           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Andrew Gerard Ascione (b. 1985) was awarded first place and Best in Category in the 2003 Intel International Science and Engineering Fair for his computer science team project. He also received the European Union Contest for Young Scientists Award. He attends the Broadneck Senior High School, Annapolis, Maryland, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

Alternate Designations
 1999 JH51 = 1998 BM40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-09 15:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin