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190394 (1999 TS108)
Classification: Main-belt Asteroid          SPK-ID: 2190394
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2360462468412274 5.6171e-08  
a 2.777195280266188 2.2392e-08 au
q 2.121648757614184 1.5647e-07 au
i 6.942989986013075 6.6212e-06 deg
node 334.7056955725719 4.2902e-05 deg
peri 63.6615229234419 4.4578e-05 deg
M 185.8657985090745 1.4415e-05 deg
tp 2460018.191781299446
(2023-Mar-14.69178130)
7.4403e-05 TDB
period 1690.472283718146
4.63
2.0445e-05
5.598e-08
d
yr
n .2129582386338747 2.5756e-09 deg/d
Q 3.432741802918193 2.7678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58629  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:29  

Additional Information
 Earth MOID = 1.13856 au 
 Jupiter MOID = 2.075 au 
 T_jup = 3.283 
[ 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 15.72   n/a E2021B55  
diameter diameter 4.397 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190394 (1999 TS108)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 1999 TS108 = 2001 DV89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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