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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2312627660156946 6.4791e-08  
a 2.608707479492054 1.2774e-08 AU
q 2.00541057205889 1.6616e-07 AU
i 5.806834614564672 7.0262e-06 deg
node 50.02833053101413 6.4847e-05 deg
peri 328.5255366747743 6.627e-05 deg
M 247.7798519525302 1.8059e-05 deg
tp 2457280.238793371217
(2015-Sep-14.73879337)
7.9349e-05 JED
period 1538.992494828846
4.21
1.1304e-05
3.095e-08
d
yr
n .23391926939841 1.7181e-09 deg/d
Q 3.212004386925217 1.5728e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      16143 days (44.20 yr)  
   first obs. used      1970-01-04  
   last obs. used      2014-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6379  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:56:48  

Additional Information
 Earth MOID = 1.00925 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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