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 ]  
59640 (1999 JH84)
Classification: Main-belt Asteroid          SPK-ID: 2059640
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149915209131373 4.349e-08  
a 2.625244708942533 1.4407e-08 au
q 2.323363827092065 1.1297e-07 au
i 16.11122233040638 4.3635e-06 deg
node 114.4260406711647 1.7719e-05 deg
peri 167.9222594150876 2.691e-05 deg
M 211.7287977152038 2.1262e-05 deg
tp 2459240.393093868176
(2021-Jan-25.89309387)
9.2436e-05 TDB
period 1553.649732670744
4.25
1.279e-05
3.502e-08
d
yr
n .2317124590116947 1.9075e-09 deg/d
Q 2.927125590793002 1.6064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      995  
   data-arc span      7317 days (20.03 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53805  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:39:43  

Additional Information
 Earth MOID = 1.30828 au 
 Jupiter MOID = 2.26073 au 
 T_jup = 3.338 
[ 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 14.6   n/a MPO432150  

59640 (1999 JH84)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 00:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin