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 ]  
295360 (2008 HF39)
Classification: Main-belt Asteroid          SPK-ID: 2295360
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05778236006921917 1.6965e-07  
a 2.590219051740213 3.2464e-08 au
q 2.440550081834408 4.3981e-07 au
i 2.220173345629011 9.753e-06 deg
node 344.6784064583904 0.00017609 deg
peri 39.48514022247739 0.00019332 deg
M 39.88323966440754 7.14e-05 deg
tp 2458431.809317837604
(2018-Nov-09.30931784)
0.00030243 TDB
period 1522.660799109
4.17
2.8626e-05
7.837e-08
d
yr
n .2364282315606059 4.4448e-09 deg/d
Q 2.739888021646017 3.434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      7316 days (20.03 yr)  
   first obs. used      1999-01-10  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63867  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:51:32  

Additional Information
 Earth MOID = 1.44319 au 
 Jupiter MOID = 2.51116 au 
 T_jup = 3.417 
[ 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 16.9   n/a MPO460240  

295360 (2008 HF39)          Discovered 2008-Apr-26 by Mt. Lemmon Survey at Mount Lemmon
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