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9517 Niehaisheng (1977 VL1)
Classification: Main-belt Asteroid          SPK-ID: 2009517
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2311699504742825 5.4067e-08  
a 2.608949585674831 1.5261e-08 AU
q 2.00583883916448 1.3793e-07 AU
i 5.806269214523506 6.5719e-06 deg
node 50.02457042984176 5.404e-05 deg
peri 328.5058460794019 5.5773e-05 deg
M 294.5757293714909 1.8125e-05 deg
tp 2457280.226329295369
(2015-Sep-14.72632930)
7.9141e-05 JED
period 1539.20674359725
4.21
1.3505e-05
3.697e-08
d
yr
n .2338867091750463 2.0522e-09 deg/d
Q 3.212060332185181 1.8789e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      16249 days (44.49 yr)  
   first obs. used      1970-01-04  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59121  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:21:57  

Additional Information
 Earth MOID = 1.01091 AU 
 T_jup = 3.365 
[ 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 14.0 mag n/a MPO263434  

9517 Niehaisheng           Discovered 1977 Nov. 3 at the Purple Mountain Observatory.
Nie Haisheng (b. 1964) is a space hero of China. In the Shenzhou spaceship, he and Fei Junlong made a series of scientific experiments in space for five days. They landed smoothly on 2005 Oct. 17 on the grasslands in Nei Monggol, Inner Mongolia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

[ show close-approach data ]
Alternate Designations
 1977 VL1 = 1970 AN = 4318 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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