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JPL Small-Body Database Browser
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39418 (1204 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2039418
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107491060319917 3.1848e-08  
a 2.229860803226872 8.1232e-09 au
q 1.982905712693717 7.1744e-08 au
i 3.396392697550125 4.5681e-06 deg
node 22.6973102989325 7.6529e-05 deg
peri 216.8772651171551 8.0689e-05 deg
M 1.337044880721285 2.6691e-05 deg
tp 2458595.982912098903
(2019-Apr-22.48291210)
9.0171e-05 TDB
period 1216.228166939112
3.33
6.6459e-06
1.82e-08
d
yr
n .2959970914881981 1.6174e-09 deg/d
Q 2.476815893760027 9.0229e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      16653 days (45.59 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57182  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:39  

Additional Information
 Earth MOID = .971864 au 
 Jupiter MOID = 2.52396 au 
 T_jup = 3.632 
[ 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 15.4   n/a MPO431944  

39418 (1204 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1204 T-2 = 2000 UD38 = 2000 VA63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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