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91599 (1999 TQ13)
Classification: Main-belt Asteroid          SPK-ID: 2091599
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498356955225856 4.6232e-08  
a 3.069203905334899 1.6755e-08 au
q 2.609327603478408 1.5013e-07 au
i 2.266761540415919 3.0308e-06 deg
node 261.9322834737337 0.00010625 deg
peri 123.0408087996836 0.00010717 deg
M 13.10085926132913 1.3757e-05 deg
tp 2459325.028265723333
(2021-Apr-20.52826572)
7.483e-05 TDB
period 1963.979905924876
5.38
1.6082e-05
4.403e-08
d
yr
n .1833012643937765 1.5009e-09 deg/d
Q 3.52908020719139 1.9265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1125  
   data-arc span      7958 days (21.79 yr)  
   first obs. used      1999-10-01  
   last obs. used      2021-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49313  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:04:47  

Additional Information
 Earth MOID = 1.61345 au 
 Jupiter MOID = 1.93595 au 
 T_jup = 3.213 
[ 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 14.70   n/a E2021B10  
diameter diameter 7.543 km 1.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 198.254 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.048   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91599 (1999 TQ13)          Discovered 1999-Oct-10 by Crni Vrh at Crni Vrh
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Alternate Designations
 1999 TQ13 = 2001 BC25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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