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16757 Luoxiahong (1996 SC6)
Classification: Main-belt Asteroid          SPK-ID: 2016757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03667743938355193 3.0931e-08  
a 2.795196717794542 1.0696e-08 au
q 2.692676059612529 8.5613e-08 au
i 5.873657635010778 3.5366e-06 deg
node 185.094804714351 3.1991e-05 deg
peri 114.0362915433421 5.8496e-05 deg
M 133.2689798375043 4.8719e-05 deg
tp 2458568.606968699938
(2019-Mar-26.10696870)
0.00023124 TDB
period 1706.935038786911
4.67
9.7977e-06
2.682e-08
d
yr
n .2109043354431611 1.2106e-09 deg/d
Q 2.897717375976554 1.1088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2203  
   data-arc span      9851 days (26.97 yr)  
   first obs. used      1994-03-07  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49763  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:41:06  

Additional Information
 Earth MOID = 1.68217 au 
 Jupiter MOID = 2.17092 au 
 T_jup = 3.319 
[ 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 13.8   n/a MPO347655  
diameter diameter 4.782 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.280   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16757 Luoxiahong           Discovered 1996 Sept. 18 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Luoxia Hong (140-87 BC) was the most famous folk astronomer in ancient China. He performed accurate observations with instruments (e.g., the equatorial armillary sphere) he made himself. He also produced Tai Chu Calendar, the first mathematical astronomy system in China, the standard for two millennia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14

Alternate Designations
 1996 SC6 = 1999 FT28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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