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19706 (1999 TU11)
Classification: Main-belt Asteroid          SPK-ID: 2019706
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2330809109802891 1.7216e-08  
a 3.165682426418484 1.4127e-08 au
q 2.427822282594572 5.7056e-08 au
i 13.62556455110979 7.2467e-07 deg
node 208.9710617460568 5.3557e-06 deg
peri 105.0619480827224 8.354e-06 deg
M 335.0172314880546 5.0738e-06 deg
tp 2459343.270180298784
(2021-May-08.77018030)
2.9498e-05 TDB
period 2057.308615856037
5.63
1.3771e-05
3.77e-08
d
yr
n .174985900134485 1.1713e-09 deg/d
Q 3.903542570242397 1.742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2035  
   data-arc span      24402 days (66.81 yr)  
   first obs. used      1953-12-07  
   last obs. used      2020-09-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:03:20  

Additional Information
 Earth MOID = 1.45688 au 
 Jupiter MOID = 1.76402 au 
 T_jup = 3.118 
[ 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 12.84   n/a E2021B10  
diameter diameter 16.725 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.0262 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.036   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19706 (1999 TU11)          Discovered 1999-Oct-10 by Korlevic, K., Juric, M. at Visnjan
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TU11 = 1997 EL48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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