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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07865027789672209 4.4203e-08  
a 3.011727425540146 1.9885e-08 au
q 2.774854226572234 1.401e-07 au
i 10.31727869487918 4.1856e-06 deg
node 162.7618737369662 2.3916e-05 deg
peri 213.227517801246 3.573e-05 deg
M 304.2141735873808 2.915e-05 deg
tp 2459296.330735218004
(2021-Mar-22.83073522)
0.00015607 TDB
period 1909.070305614231
5.23
1.8907e-05
5.176e-08
d
yr
n .1885734637123133 1.8675e-09 deg/d
Q 3.248600624508058 2.1448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1285  
   data-arc span      10840 days (29.68 yr)  
   first obs. used      1989-11-22  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:07:14  

Additional Information
 Earth MOID = 1.78055 au 
 Jupiter MOID = 2.17682 au 
 T_jup = 3.220 
[ 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 13.6   n/a MPO263504  
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. 2019-August); 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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