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JPL Small-Body Database Browser
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59615 (1999 JT69)
Classification: Main-belt Asteroid          SPK-ID: 2059615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1458562619206421 3.7983e-08  
a 2.58487784166237 1.4448e-08 au
q 2.207857222155999 9.954e-08 au
i 6.262662531208613 4.6123e-06 deg
node 122.2636044397111 3.6005e-05 deg
peri 132.182896596095 4.3026e-05 deg
M 359.0096348230625 2.8771e-05 deg
tp 2459004.675911854282
(2020-Jun-04.17591185)
0.00012133 TDB
period 1517.953480745509
4.16
1.2727e-05
3.484e-08
d
yr
n .2371614180318583 1.9884e-09 deg/d
Q 2.96189846116874 1.6555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      9265 days (25.37 yr)  
   first obs. used      1994-01-08  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53972  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:39:36  

Additional Information
 Earth MOID = 1.19875 au 
 Jupiter MOID = 2.10488 au 
 T_jup = 3.399 
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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 14.8   n/a MPO474477  
rotation period rot_per 4.87 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

59615 (1999 JT69)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 JT69 = 2000 QG146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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