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
JPL Small-Body Database Browser
Search: [ help ]  
15425 Welzl (1998 SV26)
Classification: Main-belt Asteroid          SPK-ID: 2015425
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493447668097914 4.1439e-08  
a 2.632260581345542 1.3596e-08 au
q 2.239146238641886 1.115e-07 au
i 12.2183156007694 4.8466e-06 deg
node 264.7787530091312 2.0979e-05 deg
peri 294.2519371760666 2.79e-05 deg
M 300.7510189729022 2.1583e-05 deg
tp 2459257.226164242276
(2021-Feb-11.72616424)
9.4428e-05 TDB
period 1559.882001767256
4.27
1.2085e-05
3.309e-08
d
yr
n .2307866874495256 1.788e-09 deg/d
Q 3.025374924049197 1.5626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1848  
   data-arc span      24954 days (68.32 yr)  
   first obs. used      1951-12-27  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:12  

Additional Information
 Earth MOID = 1.2665 au 
 Jupiter MOID = 2.08987 au 
 T_jup = 3.351 
[ 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 13.1   n/a MPO350926  
diameter diameter 7.215 km 0.992 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.214   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15425 Welzl           Discovered 1998 Sept. 24 by P. Pravec at Ondřejov.
Jan Welzl (1868-1948), Czech arctic explorer, trader, hunter, inventor, craftsman and adventurer, lived in Novosibirskie Ostrova for three decades. He became internationally known through the books written about his life, such as Thirty Years in Golden North. He authored the manuscript Trip around the World 1893-1898.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001013/MPCPages.arcLast Updated: 2013-03-29

[ 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 2020-Oct-25 05:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin