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 ]  
39111 (2000 WR30)
Classification: Main-belt Asteroid          SPK-ID: 2039111
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1119908683171081 3.0358e-08  
a 2.322955054727645 8.9657e-09 au
q 2.062805301087081 7.1266e-08 au
i 5.608337289328704 2.9534e-06 deg
node 123.880623751252 3.9503e-05 deg
peri 130.3679496471186 4.3865e-05 deg
M 346.6238889068397 1.7384e-05 deg
tp 2459048.549293207880
(2020-Jul-18.04929321)
6.233e-05 TDB
period 1293.181959566841
3.54
7.4868e-06
2.05e-08
d
yr
n .2783830978593177 1.6117e-09 deg/d
Q 2.58310480836821 9.9698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      11210 days (30.69 yr)  
   first obs. used      1989-10-07  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:59:01  

Additional Information
 Earth MOID = 1.05306 au 
 Jupiter MOID = 2.46073 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457367.5 (2015-Dec-11.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122499358047346 3.0376e-08  
q 2.062589988983624 7.1382e-08 au
tp 2457753.960451261268
(2016-Dec-31.46045126)
6.557e-05 TDB
node 123.9117851019741 3.9487e-05 deg
peri 130.0190497375003 4.3821e-05 deg
i 5.609054462344471 2.954e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      11210 days (30.69 yr)  
   first obs. used      1989-10-07  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:59:01  

Additional Information
 Jupiter MOID = 2.46073 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.226866702273198E-16 -2.154904219850455E-15 -4.299263320204223E-13 -1.38027403751359E-14 -1.045431906536883E-13 -2.228417302327068E-15
q -2.154904219850455E-15 5.095403628742927E-15 7.41770319862462E-13 3.24057184193506E-14 1.641884403526321E-13 5.30187325416574E-15
tp -4.299263320204223E-13 7.41770319862462E-13 4.299411985004723E-9 2.047071408683805E-11 1.261724792347503E-9 1.533669619386137E-12
node -1.38027403751359E-14 3.24057184193506E-14 2.047071408683805E-11 1.559222515380029E-9 -1.545587267621752E-9 6.036199861672726E-12
peri -1.045431906536883E-13 1.641884403526321E-13 1.261724792347503E-9 -1.545587267621752E-9 1.920291734012992E-9 -5.579229819030638E-12
i -2.228417302327068E-15 5.30187325416574E-15 1.533669619386137E-12 6.036199861672726E-12 -5.579229819030638E-12 8.726307904016899E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO333164  
diameter diameter 2.362 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39111 (2000 WR30)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WR30 = 1989 TW9 = 1998 BM37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-22 13:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin