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JPL Small-Body Database Browser
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39409 (2100 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2039409
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776157768444604 3.2469e-08  
a 2.29427590935203 7.5441e-09 au
q 1.886776311416939 7.495e-08 au
i 6.020807782268395 4.431e-06 deg
node 11.30913777981517 3.7853e-05 deg
peri 52.85909930567826 4.0771e-05 deg
M 151.2183223478421 1.3075e-05 deg
tp 2458467.326189089544
(2018-Dec-14.82618909)
4.5916e-05 TDB
period 1269.307640421017
3.48
6.2607e-06
1.714e-08
d
yr
n .2836191861892451 1.3989e-09 deg/d
Q 2.701775507287122 8.8841e-09 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      17487 days (47.88 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54982  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:36  

Additional Information
 Earth MOID = .906717 au 
 Jupiter MOID = 2.63213 au 
 T_jup = 3.568 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO459137  

39409 (2100 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

Alternate Designations
 2100 T-1 = 1999 FY = 2001 XO27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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