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 ]  
249826 (2001 HB51)
Classification: Main-belt Asteroid          SPK-ID: 2249826
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328419580470466 6.1224e-08  
a 2.456714311775134 2.2221e-08 au
q 2.130359572236723 1.5576e-07 au
i 4.333465133108872 6.7357e-06 deg
node 264.8285632615124 8.8873e-05 deg
peri 290.0991174965253 9.4077e-05 deg
M 250.6514556277596 3.1235e-05 deg
tp 2459027.709514136799
(2020-Jun-27.20951414)
0.00012355 TDB
period 1406.469797766149
3.85
1.9083e-05
5.225e-08
d
yr
n .2559599932908453 3.4728e-09 deg/d
Q 2.783069051313545 2.5173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      6419 days (17.57 yr)  
   first obs. used      2001-03-24  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60574  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:13:54  

Additional Information
 Earth MOID = 1.134 au 
 Jupiter MOID = 2.20058 au 
 T_jup = 3.476 
[ 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 16.3   n/a MPO376666  

249826 (2001 HB51)          Discovered 2001-Apr-23 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 HB51 = 2005 JF75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-09 00:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin