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 ]  
58651 (1997 WL42)
Classification: Main-belt Asteroid          SPK-ID: 2058651
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1882985726936781 3.4355e-08  
a 2.550401511237682 1.0537e-08 au
q 2.070164546875827 8.9266e-08 au
i 5.678152496795128 7.8135e-06 deg
node 61.84563941875603 6.6219e-05 deg
peri 37.81688506276368 7.5599e-05 deg
M 170.7376899940501 3.5831e-05 deg
tp 2458294.933158007277
(2018-Jun-25.43315801)
0.00014545 TDB
period 1487.685953384001
4.07
9.2198e-06
2.524e-08
d
yr
n .2419865558192018 1.4997e-09 deg/d
Q 3.030638475599538 1.2521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      7908 days (21.65 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56455  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:33:48  

Additional Information
 Earth MOID = 1.09035 au 
 Jupiter MOID = 2.15208 au 
 T_jup = 3.409 
[ 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 15.1   n/a MPO272913  
diameter diameter 2.327 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 938.158 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.326   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58651 (1997 WL42)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WL42 = 2001 QF80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-28 06:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin