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 ]  
65985 (1998 HX146)
Classification: Main-belt Asteroid          SPK-ID: 2065985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441485278651241 4.0906e-08  
a 2.701661366687477 1.3777e-08 au
q 2.312220857889398 1.1132e-07 au
i 11.82167259162617 4.7672e-06 deg
node 104.9193387472821 2.1954e-05 deg
peri 105.292564593856 2.7805e-05 deg
M 354.7195287776426 1.6053e-05 deg
tp 2459024.291124789957
(2020-Jun-23.79112479)
7.2351e-05 TDB
period 1621.97738870752
4.44
1.2407e-05
3.397e-08
d
yr
n .2219513061688657 1.6977e-09 deg/d
Q 3.091101875485556 1.5763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      8042 days (22.02 yr)  
   first obs. used      1998-04-23  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:56:22  

Additional Information
 Earth MOID = 1.33926 au 
 Jupiter MOID = 1.99875 au 
 T_jup = 3.322 
[ 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 14.7   n/a MPO385236  

65985 (1998 HX146)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HX146 = 2002 BY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-29 04:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin