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 ]  
46786 (1998 HH125)
Classification: Main-belt Asteroid          SPK-ID: 2046786
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06821024753139988 3.5742e-08  
a 2.21911328875722 8.0403e-09 au
q 2.067747022030871 7.6781e-08 au
i 8.375652887331409 4.4419e-06 deg
node 152.1716052544636 2.6744e-05 deg
peri 57.75303379696008 4.5451e-05 deg
M 137.9384507958975 3.6534e-05 deg
tp 2458137.852221288280
(2018-Jan-19.35222129)
0.00012196 TDB
period 1207.445780166559
3.31
6.5622e-06
1.797e-08
d
yr
n .2981500336605925 1.6204e-09 deg/d
Q 2.370479555483569 8.5887e-09 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1998-03-21  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51931  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:29:01  

Additional Information
 Earth MOID = 1.07794 au 
 Jupiter MOID = 2.60456 au 
 T_jup = 3.634 
[ 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 15.5   n/a MPO449297  

46786 (1998 HH125)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
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