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 ]  
46253 (2001 HW34)
Classification: Main-belt Asteroid          SPK-ID: 2046253
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09953516668281524 4.6861e-08  
a 3.108296031209761 1.9277e-08 au
q 2.798911267643764 1.4434e-07 au
i 9.031803860456417 4.5384e-06 deg
node 227.1122699562877 2.695e-05 deg
peri 129.8464926307163 3.3779e-05 deg
M 347.1448832043857 2.0291e-05 deg
tp 2458671.975222132933
(2019-Jul-07.47522213)
0.0001128 TDB
period 2001.621640391045
5.48
1.862e-05
5.098e-08
d
yr
n .1798541706062236 1.6731e-09 deg/d
Q 3.417680794775757 2.1195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      13880 days (38.00 yr)  
   first obs. used      1981-10-30  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:26:13  

Additional Information
 Earth MOID = 1.80571 au 
 Jupiter MOID = 2.0752 au 
 T_jup = 3.193 
[ 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 13.8   n/a MPO412494  
diameter diameter 6.929 km 0.456 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46253 (2001 HW34)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HW34 = 1981 UE5 
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