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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
30382 (2000 JB81)
Classification: Main-belt Asteroid          SPK-ID: 2030382
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859783472708346 2.7778e-08  
a 2.561656932134298 9.9544e-09 au
q 2.085244209621085 7.0631e-08 au
i 8.311754760782284 3.0934e-06 deg
node 95.16118799036875 2.8706e-05 deg
peri 206.212641492245 3.0968e-05 deg
M 16.76514514634857 1.3011e-05 deg
tp 2459326.759558245882
(2021-Apr-22.25955825)
5.4045e-05 TDB
period 1497.544984688115
4.10
8.729e-06
2.39e-08
d
yr
n .2403934463945169 1.4012e-09 deg/d
Q 3.038069654647512 1.1806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2013  
   data-arc span      8683 days (23.77 yr)  
   first obs. used      1997-10-30  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 23:41:53  

Additional Information
 Earth MOID = 1.07269 au 
 Jupiter MOID = 2.18733 au 
 T_jup = 3.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456969.5 (2014-Nov-08.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858888092897963 2.7869e-08  
q 2.085184634953639 7.0668e-08 au
tp 2456329.392651222604
(2013-Feb-05.89265122)
5.291e-05 TDB
node 95.29603845311416 2.8617e-05 deg
peri 205.5766860220125 3.0868e-05 deg
i 8.324390496195493 3.0984e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2013  
   data-arc span      8683 days (23.77 yr)  
   first obs. used      1997-10-30  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 23:41:53  

Additional Information
 Jupiter MOID = 2.18733 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.767027349814541E-16 -1.956893687296514E-15 3.112498302153006E-13 -4.004047543671129E-17 7.905254824167517E-14 -6.832310875684598E-17
q -1.956893687296514E-15 4.994025233151549E-15 -8.371451494202752E-13 8.771992146074544E-16 -2.054760588080672E-13 3.450028533437589E-16
tp 3.112498302153006E-13 -8.371451494202752E-13 2.79945567152772E-9 8.613360095688356E-12 6.361810007110299E-10 -2.341639952419274E-13
node -4.004047543671129E-17 8.771992146074544E-16 8.613360095688356E-12 8.189428063213845E-10 -8.07991876528281E-10 -5.048358315569414E-12
peri 7.905254824167517E-14 -2.054760588080672E-13 6.361810007110299E-10 -8.07991876528281E-10 9.528358368318592E-10 4.962542086615922E-12
i -6.832310875684598E-17 3.450028533437589E-16 -2.341639952419274E-13 -5.048358315569414E-12 4.962542086615922E-12 9.600326439549569E-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 14.44   n/a MPO636507  
diameter diameter 3.260 km 0.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.253 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.381   0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30382 (2000 JB81)          Discovered 2000-May-15 by Crni Vrh at Crni Vrh
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 JB81 = 1999 CG35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-25 07:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin