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79694 Nanrendong (1998 SZ62)
Classification: Main-belt Asteroid          SPK-ID: 2079694
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .22034133544145 5.758e-08  
a 2.533465338282911 7.6795e-09 au
q 1.97523820235103 1.4788e-07 au
i 3.146623381831563 5.6871e-06 deg
node 4.381231275390794 6.0586e-05 deg
peri 6.643437150106433 6.1703e-05 deg
M 133.8557193877805 1.1314e-05 deg
tp 2458452.847204551877
(2018-Nov-30.34720455)
4.4915e-05 TDB
period 1472.89191125383
4.03
6.697e-06
1.834e-08
d
yr
n .2444171206653871 1.1113e-09 deg/d
Q 3.091692474214793 9.3716e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1063  
   data-arc span      10785 days (29.53 yr)  
   first obs. used      1990-10-11  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:42:49  

Additional Information
 Earth MOID = .975156 au 
 Jupiter MOID = 2.37388 au 
 T_jup = 3.413 
[ 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 15.7   n/a MPO319997  
diameter diameter 1.733 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79694 Nanrendong           Discovered 1998 Sept. 25 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Nan Rendong (1945-2017) was a leading astronomer, Vice-President and President of IAU Division X (2003-2009). Hailed as 'Father of the Five-hundred-meter Aperture Spherical radio Telescope (FAST)', he led the efforts from initiation, implementation, to completion of FAST, and served as Chief Scientist and Chief Engineer.
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 2018-09-25Last Updated: 2018-10-01

[ show close-approach data ]
Alternate Designations
 1998 SZ62 = 1990 TP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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