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17574 (1994 PT13)
Classification: Main-belt Asteroid          SPK-ID: 2017574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07812031069676965 4.3635e-08  
a 3.009484943614147 1.5021e-08 au
q 2.77438304478176 1.3913e-07 au
i 10.32180236454367 3.9202e-06 deg
node 162.7555222901327 1.6541e-05 deg
peri 213.5691182696548 2.7193e-05 deg
M 341.6141668931377 2.1589e-05 deg
tp 2459297.890703293985
(2021-Mar-24.39070329)
0.00011446 TDB
period 1906.938509778416
5.22
1.4277e-05
3.909e-08
d
yr
n .188784272882418 1.4134e-09 deg/d
Q 3.244586842446535 1.6194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1698  
   data-arc span      11375 days (31.14 yr)  
   first obs. used      1989-11-22  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:07:01  

Additional Information
 Earth MOID = 1.77875 au 
 Jupiter MOID = 2.176 au 
 T_jup = 3.221 
[ 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 13.68   n/a E2021B10  
diameter diameter 6.892 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.663 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.162   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17574 (1994 PT13)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PT13 = 1998 KE57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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