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 ]  
441652 (2008 WB72)
Classification: Main-belt Asteroid          SPK-ID: 2441652
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2211982213979232 1.4377e-07  
a 2.343214152234566 3.0686e-08 au
q 1.824899349405837 3.4351e-07 au
i 4.46937688142439 1.0651e-05 deg
node 12.19775650530112 7.7504e-05 deg
peri 351.3007860346166 8.265e-05 deg
M 5.829453254755003 1.9264e-05 deg
tp 2458579.285064156587
(2019-Apr-05.78506416)
7.0021e-05 TDB
period 1310.136057339343
3.59
2.5736e-05
7.046e-08
d
yr
n .2747806214349195 5.3977e-09 deg/d
Q 2.861528955063295 3.7474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      5024 days (13.75 yr)  
   first obs. used      2006-02-01  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:10:17  

Additional Information
 Earth MOID = .822006 au 
 Jupiter MOID = 2.59205 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457084.5 (2015-Mar-03.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2225543162023962 1.4479e-07  
q 1.821493412643157 3.4647e-07 au
tp 2457267.478078008532
(2015-Sep-01.97807801)
6.7734e-05 TDB
node 12.23651114225122 7.7356e-05 deg
peri 350.9360570799588 8.237e-05 deg
i 4.47612776282457 1.0657e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      5024 days (13.75 yr)  
   first obs. used      2006-02-01  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:10:17  

Additional Information
 Jupiter MOID = 2.59205 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.096469930320416E-14 -5.005531926930408E-14 -1.752382865702248E-12 -5.548223742753714E-14 -1.669940980956656E-12 -4.38754125140095E-14
q -5.005531926930408E-14 1.20044400852612E-13 3.856854516882046E-12 1.279969810819629E-13 3.834652541088554E-12 1.068128621079878E-13
tp -1.752382865702248E-12 3.856854516882046E-12 4.587959925464222E-9 1.487594718384485E-11 1.878674534844785E-9 -6.032779196835628E-12
node -5.548223742753714E-14 1.279969810819629E-13 1.487594718384485E-11 5.983912513808055E-9 -5.953866698219325E-9 1.848935005377501E-10
peri -1.669940980956656E-12 3.834652541088554E-12 1.878674534844785E-9 -5.953866698219325E-9 6.784806455820089E-9 -1.844009903668565E-10
i -4.38754125140095E-14 1.068128621079878E-13 -6.032779196835628E-12 1.848935005377501E-10 -1.844009903668565E-10 1.135610944720584E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO361007  

441652 (2008 WB72)          Discovered 2008-Sep-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-16 08:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin