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16806 (1997 SB34)
Classification: Main-belt Asteroid          SPK-ID: 2016806
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164608590306669 2.455e-08  
a 2.169867727708007 5.5669e-09 au
q 1.812688859898057 5.426e-08 au
i 5.512299425645771 3.8218e-07 deg
node 31.90119786754397 9.4505e-06 deg
peri 340.3393184150685 1.0319e-05 deg
M 114.8833251507533 5.1023e-06 deg
tp 2458827.934347314110
(2019-Dec-10.43434731)
1.6034e-05 TDB
period 1167.476957956426
3.20
4.4929e-06
1.23e-08
d
yr
n .3083572635387604 1.1867e-09 deg/d
Q 2.527046595517957 6.4833e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2083  
   data-arc span      14378 days (39.36 yr)  
   first obs. used      1981-10-28  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4592  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:42:34  

Additional Information
 Earth MOID = .812891 au 
 Jupiter MOID = 2.93731 au 
 T_jup = 3.666 
[ 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 14.2   n/a MPO502298  
diameter diameter 3.707 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 23.449 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Washburn, K.; Ditteon, R. (2017) Minor Planet Bull. 44, 184-185.]
geometric albedo albedo 0.354   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

16806 (1997 SB34)          Discovered 1997-Sep-17 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 SB34 = 1981 US20 = 1992 AA1 = 1997 XP13 = 1999 FR31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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