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 ]  
39141 (2000 WN77)
Classification: Main-belt Asteroid          SPK-ID: 2039141
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07733370095209338 4.1459e-08  
a 2.678249805771009 1.7179e-08 au
q 2.471130836216512 1.0812e-07 au
i 7.23000072959845 5.7961e-06 deg
node 28.86690019836083 3.8593e-05 deg
peri 234.9209805959577 5.7768e-05 deg
M 225.7877828154923 4.5035e-05 deg
tp 2459197.349178165130
(2020-Dec-13.84917817)
0.00020155 TDB
period 1600.939978840086
4.38
1.5403e-05
4.217e-08
d
yr
n .2248678930866773 2.1635e-09 deg/d
Q 2.885368775325507 1.8507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      21294 days (58.30 yr)  
   first obs. used      1960-09-27  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:05:14  

Additional Information
 Earth MOID = 1.46414 au 
 Jupiter MOID = 2.16574 au 
 T_jup = 3.362 
[ 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 15.0   n/a MPO431941  
diameter diameter 5.835 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39141 (2000 WN77)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WN77 = 1998 FY121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 18:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin