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JPL Small-Body Database Browser
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257533 Iquique (1998 CN4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2257533
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07482442886286696 9.417e-08  
a 1.891252800197316 1.0549e-08 au
q 1.749740889587254 1.8033e-07 au
i 19.56229102973838 9.3227e-06 deg
node 322.6745890636652 1.4708e-05 deg
peri 203.4505279352227 4.0214e-05 deg
M 189.9934278012624 4.3253e-05 deg
tp 2459449.127625588736
(2021-Aug-22.62762559)
0.00011621 TDB
period 949.9982449098767
2.60
7.9484e-06
2.176e-08
d
yr
n .3789480685136972 3.1706e-09 deg/d
Q 2.032764710807378 1.1338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      7749 days (21.22 yr)  
   first obs. used      1998-02-06  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:52:45  

Additional Information
 Earth MOID = .767812 au 
 Jupiter MOID = 2.98408 au 
 T_jup = 3.884 
[ 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 16.9   n/a MPO427446  

257533 Iquique           Discovered 1998 Feb. 6 by E. W. Elst at the European Southern Observatory.
Iquique is a port city in northern Chile. It is the capital city of both the Iquique Province and the Tarapacá Region and lies west of the Atacama Desert, on the Pacific coast.
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 2016-04-22Last Updated: 2016-04-25

[ show close-approach data ]
Alternate Designations
 1998 CN4 = 1999 TW206 = 2004 PV28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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