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 ]  
324809 (2007 HB57)
Classification: Main-belt Asteroid          SPK-ID: 2324809
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2415049669905354 2.1517e-07  
a 2.569738994567813 2.7957e-08 au
q 1.949134263510422 5.6176e-07 au
i 5.184775433197992 5.8319e-06 deg
node 161.3971082034406 9.7858e-05 deg
peri 244.0894390993418 9.8645e-05 deg
M 136.2377657600676 1.0431e-05 deg
tp 2458031.087546803791
(2017-Oct-04.58754680)
4.4434e-05 TDB
period 1504.637733942631
4.12
2.4555e-05
6.723e-08
d
yr
n .2392602497457545 3.9045e-09 deg/d
Q 3.190343725625204 3.4709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      8264 days (22.63 yr)  
   first obs. used      1996-09-08  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:15:52  

Additional Information
 Earth MOID = .964353 au 
 Jupiter MOID = 2.23066 au 
 T_jup = 3.383 
[ 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 16.6   n/a MPO437406  
diameter diameter 2.898 km 0.766 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

324809 (2007 HB57)          Discovered 2007-Apr-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

Alternate Designations
 2007 HB57 = 2002 CS292 = 2006 BB192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin