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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .220754669467142 4.9634e-08  
a 2.532620188036173 7.662e-09 au
q 1.973532455540436 1.2789e-07 au
i 3.147211146601385 5.0932e-06 deg
node 4.381538233122091 5.3622e-05 deg
peri 6.641054838614078 5.4395e-05 deg
M 230.6734523216977 9.9313e-06 deg
tp 2459925.357548011474
(2022-Dec-11.85754801)
4.226e-05 TDB
period 1472.154949637407
4.03
6.6806e-06
1.829e-08
d
yr
n .2445394760168882 1.1097e-09 deg/d
Q 3.091707920531909 9.3534e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      11171 days (30.58 yr)  
   first obs. used      1990-10-11  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:09:19  

Additional Information
 Earth MOID = .972644 au 
 Jupiter MOID = 2.3757 au 
 T_jup = 3.413 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.71   n/a E2021B10  
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

Alternate Designations
 1998 SZ62 = 1990 TP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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