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187046 (2005 LT23)
Classification: Main-belt Asteroid          SPK-ID: 2187046
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655973066513814 5.5753e-08  
a 2.35094381950656 1.3082e-08 au
q 1.961633854907562 1.2708e-07 au
i 6.275465718004035 6.5299e-06 deg
node 215.8951916502604 3.5939e-05 deg
peri 126.4982691947238 3.9903e-05 deg
M 89.61544480657535 1.8716e-05 deg
tp 2458872.750402339663
(2020-Jan-24.25040234)
6.6973e-05 TDB
period 1316.624108850755
3.60
1.099e-05
3.009e-08
d
yr
n .2734265593193749 2.2822e-09 deg/d
Q 2.740253784105557 1.5248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      8656 days (23.70 yr)  
   first obs. used      1997-05-08  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:47  

Additional Information
 Earth MOID = .960133 au 
 Jupiter MOID = 2.68869 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457043.5 (2015-Jan-21.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663398399238497 5.5846e-08  
q 1.95928264371157 1.2737e-07 au
tp 2457557.258309574857
(2016-Jun-17.75830957)
6.1641e-05 TDB
node 215.9247266449179 3.5913e-05 deg
peri 126.6967536846547 3.9844e-05 deg
i 6.278222323860299 6.534e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      8656 days (23.70 yr)  
   first obs. used      1997-05-08  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:47  

Additional Information
 Jupiter MOID = 2.68869 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.118769929114614E-15 -7.091036405631082E-15 1.8658266040716E-12 5.016700805374981E-15 4.21935100092681E-13 -6.812842092628122E-16
q -7.091036405631082E-15 1.622227941215307E-14 -4.13345958722166E-12 -1.212544747129333E-14 -9.37348058039446E-13 2.040176683330947E-15
tp 1.8658266040716E-12 -4.13345958722166E-12 3.799620210290358E-9 3.742511618299454E-12 1.062217048192788E-9 -1.455904404046204E-12
node 5.016700805374981E-15 -1.212544747129333E-14 3.742511618299454E-12 1.289719580341209E-9 -1.280507795577846E-9 -4.382438502787793E-11
peri 4.21935100092681E-13 -9.37348058039446E-13 1.062217048192788E-9 -1.280507795577846E-9 1.587556895324869E-9 4.315536613928922E-11
i -6.812842092628122E-16 2.040176683330947E-15 -1.455904404046204E-12 -4.382438502787793E-11 4.315536613928922E-11 4.269353289048147E-11

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 16.75   n/a MPCxxxxx  
rotation period rot_per 5.00 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:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) Ap. J. Supp. Ser. 241, A6.]

187046 (2005 LT23)          Discovered 2005-Jun-11 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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