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73704 Hladiuk (1991 TW15)
Classification: Outer Main-belt Asteroid          SPK-ID: 2073704
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05166047554043698 5.3989e-08  
a 3.23741924265668 2.9548e-08 au
q 3.070172625057275 1.8625e-07 au
i 12.13214983753995 7.8119e-06 deg
node 50.95254207560294 2.4283e-05 deg
peri 31.85805276474917 7.8635e-05 deg
M 317.9302628611551 7.4294e-05 deg
tp 2459449.136074341277
(2021-Aug-22.63607434)
0.00043908 TDB
period 2127.633611482972
5.83
2.9129e-05
7.975e-08
d
yr
n .1692020647056229 2.3165e-09 deg/d
Q 3.404665860256086 3.1075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      10722 days (29.36 yr)  
   first obs. used      1991-10-06  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53421  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:08:45  

Additional Information
 Earth MOID = 2.09121 au 
 Jupiter MOID = 1.83106 au 
 T_jup = 3.148 
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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 14.77   n/a E2021B10  
diameter diameter 4.540 km 0.795 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

73704 Hladiuk           Discovered 1991 Oct. 6 by A. Lowe on plates taken at Palomar.
Donald W. Hladiuk (b. 1957) is a professional geologist in Calgary, Alberta. For over 20 years, he has presented sky highlights on a local radio morning show. He has led numerous astronomical expeditions with the Calgary chapter of the Royal Astronomical Society of Canada, of which he has twice been president.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14

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