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 ]  
15331 (1993 TO24)
Classification: Main-belt Asteroid          SPK-ID: 2015331
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297776087885321 4.0944e-08  
a 2.663227428024142 1.0456e-08 au
q 2.317600140755137 1.0901e-07 au
i 3.065594412104425 3.2179e-06 deg
node 99.48483647798201 8.7261e-05 deg
peri 62.5989528101127 8.8271e-05 deg
M 274.9274938267903 1.4891e-05 deg
tp 2459375.643594543594
(2021-Jun-10.14359454)
6.6567e-05 TDB
period 1587.48930895165
4.35
9.3485e-06
2.559e-08
d
yr
n .2267731807515212 1.3354e-09 deg/d
Q 3.008854715293147 1.1812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1346  
   data-arc span      9613 days (26.32 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:16:17  

Additional Information
 Earth MOID = 1.3278 au 
 Jupiter MOID = 1.97048 au 
 T_jup = 3.370 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456851.5 (2014-Jul-13.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290482146826062 4.1207e-08  
q 2.320153357128706 1.0971e-07 au
tp 2456202.290443569203
(2012-Oct-01.79044357)
6.1201e-05 TDB
node 99.52601380269135 8.7302e-05 deg
peri 62.97586507025763 8.8309e-05 deg
i 3.064838690302986 3.2164e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1346  
   data-arc span      9613 days (26.32 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:16:17  

Additional Information
 Jupiter MOID = 1.97048 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.697995806466758E-15 -4.505222575901379E-15 6.795807065936444E-13 8.033465136688513E-15 1.773969065727622E-13 -2.167904916322947E-16
q -4.505222575901379E-15 1.203704532127511E-14 -1.731241259937154E-12 -1.968779740177467E-14 -4.503918181231493E-13 6.817584605397812E-16
tp 6.795807065936444E-13 -1.731241259937154E-12 3.745558141060168E-9 1.10520898344268E-11 8.474648417062841E-10 6.9870408915772E-14
node 8.033465136688513E-15 -1.968779740177467E-14 1.10520898344268E-11 7.621682860700532E-9 -7.6076516062557E-9 4.636579635351105E-12
peri 1.773969065727622E-13 -4.503918181231493E-13 8.474648417062841E-10 -7.6076516062557E-9 7.798549077703171E-9 -4.606505273727815E-12
i -2.167904916322947E-16 6.817584605397812E-16 6.9870408915772E-14 4.636579635351105E-12 -4.606505273727815E-12 1.034539297935399E-11

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 14.7   n/a MPO412296  
diameter diameter 6.920 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15331 (1993 TO24)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-28 16:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin