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469708 (2005 GE187)
Classification: TransNeptunian Object          SPK-ID: 2469708
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3316080144877436 2.0132e-05  
a 39.75652871600786 0.0016853 au
q 26.57294516556753 0.0003968 au
i 18.24323912130336 8.3476e-05 deg
node 205.4006248320824 0.00019879 deg
peri 85.55858496030841 0.0032249 deg
M 343.5513886631813 0.0023753 deg
tp 2463183.981485336517
(2031-Nov-13.48148534)
0.3471 TDB
period 91561.12354299381
250.68
5.8221
0.01594
d
yr
n .003931799720991377 2.5001e-07 deg/d
Q 52.94011226644818 0.0022442 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      6234 days (17.07 yr)  
   first obs. used      2001-05-24  
   last obs. used      2018-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .40777  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:12:28  

Additional Information
 Earth MOID = 25.6094 au 
 Jupiter MOID = 21.7208 au 
 T_jup = 5.084 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.3   n/a MPO382958  
rotation period rot_per 11.99 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:
[Snodgrass, C.; Carry, B.; Dumas, C.; Hainaut, O. (2010) Astron. Astrophys. 511, A72.]
[Thirouin, A.; Sheppard, S.S.; Noll, K.S.; Moskovitz, N.A.; et al. (2016) Astron. J. 151, A148.]

469708 (2005 GE187)          Discovered 2005-Apr-12 by Buie, M. W. at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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