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229762 G!kun||'homdima (2007 UK126)
Classification: TransNeptunian Object          SPK-ID: 2229762
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4842742339646324 1.4249e-05  
a 72.79949628654899 0.0024594 au
q 37.54457598936937 0.00036228 au
i 23.38751631686486 1.9869e-05 deg
node 131.0517197215742 0.00011167 deg
peri 346.6719571649459 0.0014392 deg
M 344.9340401593748 0.001085 deg
tp 2468495.288456013517
(2046-May-29.78845601)
0.22332 TDB
period 226877.2703713132
621.16
11.497
0.03148
d
yr
n .001586760980554882 8.0408e-08 deg/d
Q 108.0544165837286 0.0036504 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      13735 days (37.60 yr)  
   first obs. used      1982-08-16  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .36985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 16:10:21  

Additional Information
 Earth MOID = 36.5649 au 
 Jupiter MOID = 32.2948 au 
 T_jup = 6.079 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457319.5 (2015-Oct-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4912829263787269 1.4297e-05  
q 37.49006378966404 0.00036136 au
tp 2468469.499430492668
(2046-May-03.99943049)
0.21856 TDB
node 131.2758369581047 0.0001119 deg
peri 346.5209700905576 0.0014191 deg
i 23.34222868618976 1.9702e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      13735 days (37.60 yr)  
   first obs. used      1982-08-16  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .36985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 16:10:21  

Additional Information
 Jupiter MOID = 32.2948 au 
 T_jup = 6.079 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.044137688852774E-10 2.765976264778707E-9 -2.263880355239081E-6 -3.347738655907139E-11 -1.209844148548737E-8 2.601050272523771E-11
q 2.765976264778707E-9 1.305832640119522E-7 -7.61980942791868E-5 9.348901332312188E-10 -5.091313325684189E-7 3.683324593553649E-10
tp -2.263880355239081E-6 -7.61980942791868E-5 .04776891984156766 -3.120670179350667E-7 .0003045700983787371 -2.920823881774359E-7
node -3.347738655907139E-11 9.348901332312188E-10 -3.120670179350667E-7 1.252163256282477E-8 -1.465342710340142E-8 -2.153459764478001E-9
peri -1.209844148548737E-8 -5.091313325684189E-7 .0003045700983787371 -1.465342710340142E-8 2.01388708526251E-6 3.891448935676712E-10
i 2.601050272523771E-11 3.683324593553649E-10 -2.920823881774359E-7 -2.153459764478001E-9 3.891448935676712E-10 3.881724507227334E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 3.3   n/a MPO418225  
rotation period rot_per 11.05 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:
[Thirouin, A.; Noll, K.S.; Ortiz, J.L.; Morales, N. (2014) Astron. Astrophys. 563, A3.]

229762 G!kúnǁ'hòmdímà           Discovered 2007 Oct. 19 by M. E. Schwamb, M. E. Brown and D. Rabinowitz at Palomar. Satellite discovered by K. S. Noll using the Hubble Space Telescope.
G!kúnǁ'hòmdímà is the beautiful aardvark girl of Jul'hoan mythology who sometimes appears in stories as a python and sometimes as an elephant. She defends her people and punishes wrongdoers using gǁámígǁàmì spines, a raincloud full of hail, and her magical oryx horn G!ò'é !Hú. The satellite is being named G!ò'é !Hú.
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 2018-10-26Last Updated: 2019-04-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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