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 ]  
71996 (2000 WB178)
Classification: Main-belt Asteroid          SPK-ID: 2071996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .09562474160902355 3.8454e-08  
a 2.286965990368169 1.039e-08 au
q 2.068275458470588 9.1946e-08 au
i 6.124750879162618 3.9677e-06 deg
node 244.3981948669164 4.0331e-05 deg
peri 20.82220192090492 4.6455e-05 deg
M 270.287852755426 2.4187e-05 deg
tp 2458915.301459369492
(2020-Mar-06.80145937)
8.5307e-05 TDB
period 1263.246158450093
3.46
8.6085e-06
2.357e-08
d
yr
n .2849800868911349 1.942e-09 deg/d
Q 2.50565652226575 1.1383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1109  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:37:50  

Additional Information
 Earth MOID = 1.05353 au 
 Jupiter MOID = 2.5455 au 
 T_jup = 3.588 
[ 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 15.3   n/a MPO366076  
diameter diameter 1.897 km 0.425 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.491   0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71996 (2000 WB178)          Discovered 2000-Nov-28 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WB178 = 1998 BR30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-17 04:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin