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 ]  
48181 (2001 HW32)
Classification: Main-belt Asteroid          SPK-ID: 2048181
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 .1032193616715303 4.5895e-08  
a 2.757791947757322 1.7967e-08 au
q 2.473134423286925 1.321e-07 au
i 3.448704413904573 5.2337e-06 deg
node 84.13722794595427 9.674e-05 deg
peri 195.0933607105806 0.00010119 deg
M 279.2425976113707 3.0947e-05 deg
tp 2458975.749840273952
(2020-May-06.24984027)
0.00014428 TDB
period 1672.787119235568
4.58
1.6347e-05
4.476e-08
d
yr
n .2152096915742112 2.1031e-09 deg/d
Q 3.042449472227718 1.9821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      7476 days (20.47 yr)  
   first obs. used      1998-11-11  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .608  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:45:25  

Additional Information
 Earth MOID = 1.45634 au 
 Jupiter MOID = 2.05993 au 
 T_jup = 3.332 
[ 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 14.6   n/a MPO432039  

48181 (2001 HW32)          Discovered 2001-Apr-24 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HW32 = 2000 BW17 
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