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 ]  
212240 (2005 JW42)
Classification: Main-belt Asteroid          SPK-ID: 2212240
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 .1619626169269578 4.1879e-08  
a 2.763098937200777 2.0189e-08 au
q 2.315580202503643 1.217e-07 au
i 7.261597733867019 5.4786e-06 deg
node 198.1358797463985 3.8016e-05 deg
peri 89.62481436381816 4.3614e-05 deg
M 54.62287799880632 1.8e-05 deg
tp 2458745.954655426139
(2019-Sep-19.45465543)
8.4273e-05 TDB
period 1677.618012888161
4.59
1.8387e-05
5.034e-08
d
yr
n .214589970562029 2.3519e-09 deg/d
Q 3.210617671897911 2.3459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      21518 days (58.91 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57971  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:03:02  

Additional Information
 Earth MOID = 1.31365 au 
 Jupiter MOID = 1.99803 au 
 T_jup = 3.310 
[ 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 15.9   n/a MPO437019  
diameter diameter 3.502 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212240 (2005 JW42)          Discovered 2005-May-08 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 JW42 = 2001 QZ220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 16:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin