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JPL Small-Body Database Browser
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39406 (1145 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2039406
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283026211949713 6.9421e-08  
a 2.459841338811112 1.1646e-08 au
q 2.144237247317899 1.7667e-07 au
i 3.650198092394819 5.0175e-06 deg
node 315.84786870852 6.8933e-05 deg
peri 191.1448398929627 7.0648e-05 deg
M 196.4148248345915 1.5486e-05 deg
tp 2459240.825081009652
(2021-Jan-26.32508101)
6.1606e-05 TDB
period 1409.155988190178
3.86
1.0007e-05
2.74e-08
d
yr
n .2554720719473783 1.8143e-09 deg/d
Q 2.775445430304326 1.314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1008  
   data-arc span      17782 days (48.68 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:09:43  

Additional Information
 Earth MOID = 1.15662 au 
 Jupiter MOID = 2.2335 au 
 T_jup = 3.476 
[ show covariance matrix ]

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 15.3   n/a PDS3 (MPO 26843)  

39406 (1145 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1145 T-1 = 1998 FN14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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