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188174 (2002 JC)
Classification: Aten [NEO]          SPK-ID: 2188174
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3907279376166188 2.5138e-07  
a .8189005613883267 4.3593e-09 au
q .4989332339239744 2.069e-07 au
i 40.85652382541445 2.3864e-05 deg
node 69.39472835996484 3.5003e-06 deg
peri 306.9101325103277 1.8828e-05 deg
M 316.8866829979481 4.9707e-05 deg
tp 2459032.915603889454
(2020-Jul-02.41560389)
3.7553e-05 TDB
period 270.6731518627517
0.74
2.1613e-06
5.917e-09
d
yr
n 1.330017393755191 1.062e-08 deg/d
Q 1.138867888852679 6.0626e-09 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   # delay obs. used      3  
   # Doppler obs. used      0  
   data-arc span      10568 days (28.93 yr)  
   first obs. used      1991-05-16  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-22 07:50:34  

Additional Information
 Earth MOID = .0921786 au 
 Jupiter MOID = 4.37583 au 
 T_jup = 6.906 
[ 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 17.4   n/a MPO200183  
rotation period rot_per 2.472 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Polishook, D.; Brosch, N.; Prianik, D. (2005) Abstr. IAU Symp. 229, p. 60-61.]
[Polishook, D.; Brosch, N. (2008) Icarus 194, 111-124.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]

188174 (2002 JC)          Discovered 2002-May-01 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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