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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390373660846688 5.5299e-08  
a 2.261379406057056 9.4443e-09 AU
q 1.946963169720771 1.2713e-07 AU
i 4.079651922245296 5.887e-06 deg
node 207.2277875811665 6.3558e-05 deg
peri 341.5707202232687 6.6012e-05 deg
M 304.155796935924 1.6816e-05 deg
tp 2457193.178906516007
(2015-Jun-19.67890652)
5.8119e-05 JED
period 1242.105761025427
3.40
7.7812e-06
2.13e-08
d
yr
n .2898303923031482 1.8157e-09 deg/d
Q 2.575795642393342 1.0757e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1552  
   data-arc span      22379 days (61.27 yr)  
   first obs. used      1954-03-06  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46859  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:51:24  

Additional Information
 Earth MOID = .949111 AU 
 T_jup = 3.603 
[ 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  

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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