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91659 (1999 TP105)
Classification: Main-belt Asteroid          SPK-ID: 2091659
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635103151038085 4.9736e-08  
a 3.139127461324497 3.0557e-08 au
q 2.62584774097231 1.5347e-07 au
i 18.1351123397418 7.631e-06 deg
node 24.19322393378462 1.8468e-05 deg
peri 44.41070545134436 3.0846e-05 deg
M 238.053443860853 2.6273e-05 deg
tp 2459688.643308878424
(2022-Apr-19.14330888)
0.0001531 TDB
period 2031.476730786548
5.56
2.9663e-05
8.121e-08
d
yr
n .17721098870801 2.5875e-09 deg/d
Q 3.652407181676684 3.5554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      8814 days (24.13 yr)  
   first obs. used      1996-04-11  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:40:47  

Additional Information
 Earth MOID = 1.66781 au 
 Jupiter MOID = 1.91501 au 
 T_jup = 3.114 
[ 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 14.8   n/a MPO436412  
diameter diameter 5.325 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 25.128 h n/a LCDB (Rev. 2019-August); 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 0.082   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91659 (1999 TP105)          Discovered 1999-Oct-03 by LINEAR at Socorro
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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