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187809 (1999 TS16)
Classification: Main-belt Asteroid          SPK-ID: 2187809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479722562847139 5.0397e-08  
a 2.242593256808307 7.4528e-09 au
q 1.910751672669497 1.1424e-07 au
i 5.354383937136144 6.5456e-06 deg
node 211.1768946840854 4.9938e-05 deg
peri 201.5497520743362 5.5268e-05 deg
M 36.41328011592289 2.1535e-05 deg
tp 2458876.425796455085
(2020-Jan-27.92579646)
7.3368e-05 TDB
period 1226.659974986359
3.36
6.1148e-06
1.674e-08
d
yr
n .2934798618533253 1.463e-09 deg/d
Q 2.574434840947117 8.5556e-09 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      8390 days (22.97 yr)  
   first obs. used      1997-01-17  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 22:44:40  

Additional Information
 Earth MOID = .922588 au 
 Jupiter MOID = 2.77378 au 
 T_jup = 3.613 
[ 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 16.8   n/a MPO503001  
diameter diameter 1.610 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187809 (1999 TS16)          Discovered 1999-Oct-14 by Sarounova, L. at Ondrejov
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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