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91596 (1999 TF11)
Classification: Main-belt Asteroid          SPK-ID: 2091596
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2116908059768843 5.4076e-08  
a 3.172363839225819 2.0182e-08 au
q 2.500803581248182 1.7124e-07 au
i 16.60623762489358 6.7406e-06 deg
node 220.1008121166568 1.2014e-05 deg
peri 155.0530290102368 1.561e-05 deg
M 242.1872135750642 1.0395e-05 deg
tp 2459675.902774132085
(2022-Apr-06.40277413)
6.3258e-05 TDB
period 2063.825210029051
5.65
1.9695e-05
5.392e-08
d
yr
n .174433376552723 1.6646e-09 deg/d
Q 3.843924097203455 2.4455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      11503 days (31.49 yr)  
   first obs. used      1988-12-13  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:40:21  

Additional Information
 Earth MOID = 1.51339 au 
 Jupiter MOID = 1.66977 au 
 T_jup = 3.103 
[ 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 14.5   n/a MPO432453  
diameter diameter 4.070 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 86.561 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.203   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91596 (1999 TF11)          Discovered 1999-Oct-09 by Juels, C. W. at Fountain Hills
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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