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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2308934986811789 5.2463e-08  
a 2.608403797116313 1.0208e-08 au
q 2.006140318426856 1.3507e-07 au
i 5.806461814380285 6.236e-06 deg
node 50.01737898408613 4.1871e-05 deg
peri 328.4972814831344 4.3412e-05 deg
M 74.9424693824336 1.0166e-05 deg
tp 2457280.178447360454
(2015-Sep-14.67844736)
4.3111e-05 JED
period 1538.723769052455
4.21
9.0323e-06
2.473e-08
d
yr
n .2339601215244031 1.3734e-09 deg/d
Q 3.210667275805771 1.2564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      16867 days (46.18 yr)  
   first obs. used      1970-01-04  
   last obs. used      2016-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56495  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:03:35  

Additional Information
 Earth MOID = 1.01002 au 
 Jupiter MOID = 2.24783 au 
 T_jup = 3.366 
[ 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 14.1 mag n/a MPO347601  

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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