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102536 Luanenjie (1999 UN6)
Classification: Main-belt Asteroid          SPK-ID: 2102536
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3136055949275404 1.2219e-07  
a 2.756477119936152 2.3479e-08 au
q 1.892030472834421 3.3029e-07 au
i 10.16181187756191 8.9676e-06 deg
node 52.39846328937359 4.6185e-05 deg
peri 340.1280905142874 4.8138e-05 deg
M 244.0796536003739 1.9698e-05 deg
tp 2458138.753898845281
(2018-Jan-20.25389885)
9.69e-05 JED
period 1671.590963990824
4.58
2.1357e-05
5.847e-08
d
yr
n .215363691091343 2.7516e-09 deg/d
Q 3.620923767037882 3.0842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      6038 days (16.53 yr)  
   first obs. used      1999-10-03  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52454  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:54:56  

Additional Information
 Earth MOID = .900748 au 
 Jupiter MOID = 1.8228 au 
 T_jup = 3.248 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO280456  

102536 Luanenjie           Discovered 1999 Oct. 28 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Luan Enjie (b. 1940) is an Academician of the National Academy of Engineering of China and an Academician of the International Academy of Astronautics. He is the leader of China's Chang'e (Lunar Exploration) Program.
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 2015-01-05Last Updated: 2015-01-07

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