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187707 Nandaxianlin (2008 EQ35)
Classification: Main-belt Asteroid          SPK-ID: 2187707
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 .1542562829233377 3.9978e-08  
a 2.356004653469479 1.3684e-08 au
q 1.992576133075191 9.2813e-08 au
i 7.608413350265846 7.2618e-06 deg
node 16.81560625011346 3.3574e-05 deg
peri 238.3052100381287 4.1864e-05 deg
M 135.132649144451 2.5555e-05 deg
tp 2458704.684119431603
(2019-Aug-09.18411943)
9.2499e-05 TDB
period 1320.877805139607
3.62
1.1508e-05
3.151e-08
d
yr
n .2725460285570858 2.3745e-09 deg/d
Q 2.719433173863766 1.5795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      6638 days (18.17 yr)  
   first obs. used      2002-10-15  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:31  

Additional Information
 Earth MOID = .989305 au 
 Jupiter MOID = 2.3486 au 
 T_jup = 3.527 
[ 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 16.8   n/a MPO475582  

187707 Nandaxianlin           Discovered 2008 Mar. 2 at the XuYi Station of the Purple Mountain Observatory.
Nandaxianlin is the new campus of Nanjing University. The university will further education, scientific research and new technology industries.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

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