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19282 Zhangcunhao (1996 AM15)
Classification: Main-belt Asteroid          SPK-ID: 2019282
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602418575514092 3.3761e-08  
a 3.096552511231223 1.6964e-08 au
q 2.600355184826051 1.0473e-07 au
i .249045030942786 3.7853e-06 deg
node 176.0889368451834 0.00085838 deg
peri 246.058563659344 0.00085846 deg
M 297.3894300983248 1.3042e-05 deg
tp 2459742.647545752230
(2022-Jun-12.14754575)
7.3522e-05 TDB
period 1990.288806929844
5.45
1.6355e-05
4.478e-08
d
yr
n .1808782719103588 1.4864e-09 deg/d
Q 3.592749837636395 1.9682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1665  
   data-arc span      11074 days (30.32 yr)  
   first obs. used      1991-03-13  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:09:51  

Additional Information
 Earth MOID = 1.61306 au 
 Jupiter MOID = 1.73391 au 
 T_jup = 3.203 
[ 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 13.79   n/a E2021B10  
diameter diameter 8.591 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19282 Zhangcunhao           Discovered 1996 Jan. 14 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Zhang Cunhao (b. 1928) is an Academician of the Chinese Academy of Sciences and an Academician of the Academy of Sciences for the Developing World. He is the founder of high-energy chemical lasers in China and was honoured with China's State Supreme Science and Technology Award in 2013.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-01-05Last Updated: 2015-01-07

[ show close-approach data ]
Alternate Designations
 1996 AM15 = 1994 TE4 = 1999 PB8 = 1999 RN56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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