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17603 Qoyllurwasi (1995 SG5)
Classification: Main-belt Asteroid          SPK-ID: 2017603
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2345114353347229 2.6349e-08  
a 2.792101282814432 1.521e-08 au
q 2.137321603381699 7.4877e-08 au
i 16.60907956483495 4.1099e-07 deg
node 20.39510132440427 1.8624e-06 deg
peri 326.9947330217173 3.5762e-06 deg
M 158.6463689368298 6.208e-06 deg
tp 2458449.529607726279
(2018-Nov-27.02960773)
2.5109e-05 TDB
period 1704.100402866378
4.67
1.3925e-05
3.812e-08
d
yr
n .211255158084854 1.7263e-09 deg/d
Q 3.446880962247166 1.8777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2633  
   data-arc span      24154 days (66.13 yr)  
   first obs. used      1955-01-29  
   last obs. used      2021-03-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:07:48  

Additional Information
 Earth MOID = 1.1493 au 
 Jupiter MOID = 2.06047 au 
 T_jup = 3.228 
[ 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 13.59   n/a E2021B10  
rotation period rot_per 23.5324 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

17603 Qoyllurwasi           Discovered 1995 Sept. 20 by K. Endate and K. Watanabe at Kitami.
Qoyllurwasi means "house of stars" in the Incan language, Quechua. The name was chosen to commemorate the fifth anniversary of the "Mutsumi Ishitsuka" National Planetarium of the Geophysical Institute of Peru.
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 2013-08-21Last Updated: 2014-08-13

Alternate Designations
 1995 SG5 = 1981 SH2 = 1986 VV7 = 1990 MT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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