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138359 (2000 GX127)
Classification: Apollo [NEO]          SPK-ID: 2138359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 108 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3612376598167665 8.9614e-08  
a 1.141466269136128 3.0565e-09 au
q .7291256653136179 1.0235e-07 au
i 20.23774247253012 1.1168e-05 deg
node 43.99501930748281 1.3695e-05 deg
peri 4.72187929557836 2.1197e-05 deg
M 292.5216314821458 2.6684e-05 deg
tp 2459479.993972292645
(2021-Sep-22.49397229)
3.3062e-05 TDB
period 445.443935376108
1.22
1.7891e-06
4.898e-09
d
yr
n .8081825150364571 3.2461e-09 deg/d
Q 1.553806872958639 4.1606e-09 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      7833 days (21.45 yr)  
   first obs. used      2000-04-10  
   last obs. used      2021-09-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-21 08:50:19  

Additional Information
 Earth MOID = .261314 au 
 Jupiter MOID = 3.84501 au 
 T_jup = 5.378 
[ 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 17.9   n/a MPO226847  
diameter diameter 1.085 km 0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 3.685 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:
[Warner, B.D. (2017) Minor Planet Bull. 44, 223-237.]
geometric albedo albedo 0.095   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

138359 (2000 GX127)          Discovered 2000-Apr-10 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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