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17439 Juliesan (1989 TR3)
Classification: Main-belt Asteroid          SPK-ID: 2017439
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02764787350946585 3.6255e-08  
a 3.164255387105623 2.0778e-08 au
q 3.076770454411281 1.2081e-07 au
i 9.539063445428672 5.5646e-06 deg
node 168.3978002814113 2.2442e-05 deg
peri 81.05979170700223 0.00010153 deg
M 322.2591703178739 0.00010006 deg
tp 2459416.033440581308
(2021-Jul-20.53344058)
0.00057176 TDB
period 2055.917669611223
5.63
2.025e-05
5.544e-08
d
yr
n .175104288134299 1.7247e-09 deg/d
Q 3.251740319799965 2.1353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1236  
   data-arc span      11467 days (31.39 yr)  
   first obs. used      1989-10-03  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58377  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:03:15  

Additional Information
 Earth MOID = 2.08161 au 
 Jupiter MOID = 1.75236 au 
 T_jup = 3.182 
[ 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 14.0   n/a MPO337406  
diameter diameter 8.593 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17439 Juliesan           Discovered 1989 Oct. 7 by E. W. Elst at the European Southern Observatory.
Julie Nelissen (1985-2017) was a dedicated nurse working at the Department of Psychiatry at the Stuivenberg clinic in the Antwerp region.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-11-04Last Updated: 2017-11-07

[ show close-approach data ]
Alternate Designations
 1989 TR3 = 1992 EO35 = 1994 RQ14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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