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JPL Small-Body Database Browser
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154704 (2004 JT19)
Classification: Main-belt Asteroid          SPK-ID: 2154704
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857964101117615 3.6961e-08  
a 2.551773676791329 1.6416e-08 au
q 2.07766328822581 9.1635e-08 au
i 2.109014265003285 5.1335e-06 deg
node 169.9122601194107 0.00014791 deg
peri 139.9723426095739 0.00014902 deg
M 287.2472625310484 2.0604e-05 deg
tp 2459301.390513102865
(2021-Mar-27.89051310)
8.6228e-05 TDB
period 1488.88672076785
4.08
1.4367e-05
3.933e-08
d
yr
n .2417913968729203 2.3332e-09 deg/d
Q 3.025884065356849 1.9466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      7286 days (19.95 yr)  
   first obs. used      1999-02-14  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:33:59  

Additional Information
 Earth MOID = 1.06374 au 
 Jupiter MOID = 2.24212 au 
 T_jup = 3.414 
[ 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 16.2   n/a MPO436782  
rotation period rot_per 8.24 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]

154704 (2004 JT19)          Discovered 2004-May-13 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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