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236743 Zhejiangdaxue (2007 JU34)
Classification: Main-belt Asteroid          SPK-ID: 2236743
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1557330538335212 5.5015e-08  
a 2.205727099740384 1.0809e-08 au
q 1.862222482574458 1.2077e-07 au
i 2.986856609913755 6.8084e-06 deg
node 46.22579132078062 9.1934e-05 deg
peri 194.856079368787 9.5938e-05 deg
M 109.1510661147094 2.2548e-05 deg
tp 2459033.713116719399
(2020-Jul-03.21311672)
7.6009e-05 TDB
period 1196.536897255426
3.28
8.7951e-06
2.408e-08
d
yr
n .3008682814761127 2.2115e-09 deg/d
Q 2.549231716906309 1.2492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      8482 days (23.22 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51665  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:16:56  

Additional Information
 Earth MOID = .850155 au 
 Jupiter MOID = 2.4565 au 
 T_jup = 3.644 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.72   n/a E2021B55  

236743 Zhejiangdaxue           Discovered 2007 May 7 by Q.-Z. Ye and C.-Y. Shih at Lulin.
Named for the 115th anniversary of the Zhejiang University, one of China's oldest institutions of higher education. Name proposed by C.-H.Zheng and the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120831/MPCPages.arcLast Updated: 2012-09-04

Alternate Designations
 2007 JU34 = 1997 GF18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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