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

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1386817864795125 5.4572e-08  
a 2.261109674358269 9.3393e-09 au
q 1.947534945292155 1.255e-07 au
i 4.080660791890472 5.7217e-06 deg
node 207.2014784905217 6.3448e-05 deg
peri 341.6226744091878 6.5895e-05 deg
M 118.0557455385954 1.6759e-05 deg
tp 2457193.245870652488
(2015-Jun-19.74587065)
5.7574e-05 JED
period 1241.883534733796
3.40
7.6942e-06
2.107e-08
d
yr
n .2898822554058323 1.796e-09 deg/d
Q 2.574684403424382 1.0635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1555  
   data-arc span      22679 days (62.09 yr)  
   first obs. used      1954-03-06  
   last obs. used      2016-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47206  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:51:59  

Additional Information
 Earth MOID = .947845 au 
 Jupiter MOID = 2.38732 au 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO265986  
rotation period rot_per 7.3743 h n/a LCDB (Rev. 2016-February); 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. (2016) Astron. J. 150, A75.]

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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