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 ]  
295361 (2008 HM46)
Classification: Main-belt Asteroid          SPK-ID: 2295361
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177654717155177 9.1003e-08  
a 2.682009932529402 4.6596e-08 au
q 2.097960774426433 2.3484e-07 au
i 8.543081097320876 1.6337e-05 deg
node 66.61254431171177 7.0212e-05 deg
peri 225.9011221999881 8.6727e-05 deg
M 138.7833848813432 6.3097e-05 deg
tp 2457982.022400684382
(2017-Aug-16.52240068)
0.00026927 TDB
period 1604.31261958328
4.39
4.1808e-05
1.145e-07
d
yr
n .2243951681272132 5.8477e-09 deg/d
Q 3.266059090632372 5.6742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      7207 days (19.73 yr)  
   first obs. used      1999-03-21  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:39:08  

Additional Information
 Earth MOID = 1.09157 au 
 Jupiter MOID = 1.95342 au 
 T_jup = 3.326 
[ 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 17.0   n/a MPO230103  

295361 (2008 HM46)          Discovered 2008-Apr-28 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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