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 ]  
5408 The (1232 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2005408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392702341507282 3.3553e-08  
a 2.260538400904422 6.4892e-09 au
q 1.94571268850375 7.659e-08 au
i 4.080412294142957 3.6822e-06 deg
node 207.1641942030903 4.1177e-05 deg
peri 341.5931773057989 4.2868e-05 deg
M 221.9342776027462 1.43e-05 deg
tp 2459676.601587097579
(2022-Apr-07.10158710)
5.0499e-05 TDB
period 1241.412918276503
3.40
5.3455e-06
1.464e-08
d
yr
n .2899921490262889 1.2487e-09 deg/d
Q 2.575364113305093 7.393e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2662  
   data-arc span      24425 days (66.87 yr)  
   first obs. used      1954-03-06  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44254  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:24:32  

Additional Information
 Earth MOID = .946003 au 
 Jupiter MOID = 2.38352 au 
 T_jup = 3.604 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457045.5 (2015-Jan-23.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390051868721814 3.359e-08  
q 1.94709316206651 7.6721e-08 au
tp 2457193.120173997267
(2015-Jun-19.62017400)
4.5081e-05 TDB
node 207.2197815205291 4.1173e-05 deg
peri 341.5529131362787 4.2866e-05 deg
i 4.079737329250023 3.6823e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2662  
   data-arc span      24425 days (66.87 yr)  
   first obs. used      1954-03-06  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44254  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:24:32  

Additional Information
 Jupiter MOID = 2.38352 au 
 T_jup = 3.604 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.128288779899782E-15 -2.570200339076798E-15 -6.447290583664278E-14 8.446941426601183E-16 -3.881325068822289E-15 -1.538399520780374E-16
q -2.570200339076798E-15 5.886137143533868E-15 2.538653734905691E-13 -1.850344841680405E-15 3.559959540505971E-14 3.628712188658251E-16
tp -6.447290583664278E-14 2.538653734905691E-13 2.032341299722395E-9 -1.914437807798385E-12 5.443471703805164E-10 1.279514976288861E-13
node 8.446941426601183E-16 -1.850344841680405E-15 -1.914437807798385E-12 1.695202695780978E-9 -1.691027108942856E-9 -9.927440234493574E-12
peri -3.881325068822289E-15 3.559959540505971E-14 5.443471703805164E-10 -1.691027108942856E-9 1.837503364043076E-9 9.946906103797009E-12
i -1.538399520780374E-16 3.628712188658251E-16 1.279514976288861E-13 -9.927440234493574E-12 9.946906103797009E-12 1.355934819549893E-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 13.76   n/a E2021B10  
diameter diameter 4.233 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 7.374 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 0.352   0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

5408 The (1232 T-1)          Discovered 1971-Mar-25 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1232 T-1 = 1954 EL = 1978 JA2 = 1986 UP2 = 1988 GA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-03 12:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin