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16990 (1999 CS1)
Classification: Main-belt Asteroid          SPK-ID: 2016990
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1325278135770766 9.0744e-09  
a 2.277894481485454 7.1614e-09 au
q 1.976010106294898 2.2358e-08 au
i 6.622831680937675 6.714e-07 deg
node 89.6929847816302 3.5746e-06 deg
peri 148.8355021534812 8.1352e-06 deg
M 53.93620363523391 7.5276e-06 deg
tp 2459012.361921288407
(2020-Jun-11.86192129)		 2.641e-05 TDB
period 1255.737404030584
3.44		 5.9218e-06
1.621e-08		 d
yr
n .2866841417994683 1.3519e-09 deg/d
Q 2.57977885667601 8.1105e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2152  
   data-arc span      8878 days (24.31 yr)  
   first obs. used      1996-05-22  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45044  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:50:27  

Additional Information
 Earth MOID = .965224 au 
 Jupiter MOID = 2.42956 au 
 T_jup = 3.587 
[ 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 14.33   n/a E2021B10  
diameter diameter 3.604 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.333   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16990 (1999 CS1)          Discovered 1999-Feb-07 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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