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 ]  
71928 (2000 WB61)
Classification: Main-belt Asteroid          SPK-ID: 2071928
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000251855886393 3.5054e-08  
a 2.280976788697766 8.8531e-09 au
q 2.052821662084893 7.9277e-08 au
i 4.949209275411005 4.0614e-06 deg
node 221.9206770756893 3.8998e-05 deg
peri 330.3845428551476 4.3749e-05 deg
M 139.5019801842844 1.8506e-05 deg
tp 2458512.906848298646
(2019-Jan-29.40684830)
6.4764e-05 TDB
period 1258.287046396078
3.45
7.3257e-06
2.006e-08
d
yr
n .2861032393451827 1.6657e-09 deg/d
Q 2.509131915310638 9.7387e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1306  
   data-arc span      16530 days (45.26 yr)  
   first obs. used      1974-04-24  
   last obs. used      2019-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:33:27  

Additional Information
 Earth MOID = 1.0534 au 
 Jupiter MOID = 2.45573 au 
 T_jup = 3.594 
[ 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 15.2   n/a MPO319907  

71928 (2000 WB61)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1913-Jul-03 22:58 < 00:01 Juno 0.0216991643296696 0.0216856557126773 0.0217126742384934 6.92197603232559 6.92197595132786 2419952.456996004 0.258174348901457 723.516333144658 46.3925375553758 21.492050085202 25962.3284252979 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 16:33:42 2020-Feb-23 16:33
1966-Nov-02 10:50 < 00:01 Iris 0.0424276876922427 0.0424246590681925 0.0424307172098486 6.5758332084946 6.57583318788959 2439431.951094905 0.377223333529416 362.274098631548 54.646767412731 66.8504662940248 106994.395047813 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 16:33:42 2020-Feb-23 16:33
2144-Apr-12 21:47 < 00:01 Eunom 0.0463048409114992 0.0462925468643788 0.0463171409027714 6.03631738504873 6.03631733482657 2504242.407647504 0.381716134048887 1031.06755482068 45.1888646636374 -53.6037801920085 123395.910508086 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 16:33:42 2020-Feb-23 16:33

Alternate Designations
 2000 WB61 = 1974 HJ3 = 1999 RO126 
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-10 23:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin