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 ]  
26781 (3182 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2026781
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743459572631562 3.1224e-08  
a 2.328417914969754 7.9512e-09 au
q 1.92246766467567 7.1056e-08 au
i 6.947953527290147 3.8121e-06 deg
node 150.0570062989344 2.7913e-05 deg
peri 86.49816851547804 3.0184e-05 deg
M 157.2174831727619 1.1029e-05 deg
tp 2458433.754391234552
(2018-Nov-11.25439123)
3.8962e-05 TDB
period 1297.746376790424
3.55
6.6474e-06
1.82e-08
d
yr
n .2774039723311339 1.4209e-09 deg/d
Q 2.734368165263838 9.3375e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1397  
   data-arc span      16927 days (46.34 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:51:04  

Additional Information
 Earth MOID = .926264 au 
 Jupiter MOID = 2.29401 au 
 T_jup = 3.542 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456919.5 (2014-Sep-19.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739836879661914 3.1251e-08  
q 1.923745689486286 7.106e-08 au
tp 2457135.788394115475
(2015-Apr-23.28839412)
3.8082e-05 TDB
node 150.0914357403097 2.7912e-05 deg
peri 86.46933184115328 3.019e-05 deg
i 6.947336135200005 3.8119e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1397  
   data-arc span      16927 days (46.34 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:51:04  

Additional Information
 Jupiter MOID = 2.29401 au 
 T_jup = 3.542 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.765989390884092E-16 -2.211884064099128E-15 4.244948651579581E-15 -9.66189689606442E-15 -5.568534381887208E-15 -3.858824945907972E-15
q -2.211884064099128E-15 5.049535213839438E-15 6.681557981956616E-15 2.200862933925168E-14 1.464485813519367E-14 8.77807884767654E-15
tp 4.244948651579581E-15 6.681557981956616E-15 1.450223692290367E-9 1.7190958744365E-12 4.461757579357414E-10 -1.844567062777952E-12
node -9.66189689606442E-15 2.200862933925168E-14 1.7190958744365E-12 7.790910013711349E-10 -7.724540206798734E-10 -2.158119865902117E-12
peri -5.568534381887208E-15 1.464485813519367E-14 4.461757579357414E-10 -7.724540206798734E-10 9.114398542831081E-10 1.587233270443418E-12
i -3.858824945907972E-15 8.77807884767654E-15 -1.844567062777952E-12 -2.158119865902117E-12 1.587233270443418E-12 1.453060047715386E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO493025  
diameter diameter 3.117 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26781 (3182 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3182 T-2 = 1998 ST125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-27 01:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin