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 ]  
65806 (1996 HW18)
Classification: Main-belt Asteroid          SPK-ID: 2065806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1557010489881083 4.0937e-08  
a 2.430348177115258 1.4873e-08 au
q 2.051940416532075 1.0093e-07 au
i 3.361392028443453 5.4785e-06 deg
node 41.02641858055416 6.3054e-05 deg
peri 232.4596542570754 6.5137e-05 deg
M 90.35518212592162 1.6199e-05 deg
tp 2458653.162450625049
(2019-Jun-18.66245063)
6.1594e-05 TDB
period 1383.888724840606
3.79
1.2703e-05
3.478e-08
d
yr
n .2601365222059051 2.3879e-09 deg/d
Q 2.80875593769844 1.7188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      8418 days (23.05 yr)  
   first obs. used      1996-04-18  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51277  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:26:56  

Additional Information
 Earth MOID = 1.03781 au 
 Jupiter MOID = 2.29772 au 
 T_jup = 3.489 
[ 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 MPO287226  

65806 (1996 HW18)          Discovered 1996-Apr-18 by Elst, E. W. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 HW18 = 2001 VE79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 06:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin