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16850 (1997 YS1)
Classification: Main-belt Asteroid          SPK-ID: 2016850
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1211883027584831 3.4838e-08  
a 2.414143231265426 7.7258e-09 au
q 2.121577310452489 8.4044e-08 au
i 7.199543230531713 3.0678e-06 deg
node 99.31135003042365 2.9591e-05 deg
peri 293.6637186608586 3.1834e-05 deg
M 114.0920532646074 1.1661e-05 deg
tp 2458766.293948415859
(2019-Oct-09.79394842)
4.4324e-05 TDB
period 1370.070693773561
3.75
6.5768e-06
1.801e-08
d
yr
n .2627601638631203 1.2613e-09 deg/d
Q 2.706709152078363 8.6621e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1777  
   data-arc span      11455 days (31.36 yr)  
   first obs. used      1989-11-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:44:12  

Additional Information
 Earth MOID = 1.13927 au 
 Jupiter MOID = 2.70035 au 
 T_jup = 3.497 
[ 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 14.61   n/a E2021B10  
diameter diameter 3.467 km 0.619 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.177   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16850 (1997 YS1)          Discovered 1997-Dec-20 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 YS1 = 1989 VN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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