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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632211182263934 4.92e-08  
a 3.133814583330633 3.011e-08 au
q 2.622309862725228 1.5147e-07 au
i 18.15442608507706 7.3456e-06 deg
node 24.02867604616118 1.7843e-05 deg
peri 45.16458133049125 2.9497e-05 deg
M 307.6534231419266 2.61e-05 deg
tp 2459691.141664119546
(2022-Apr-21.64166412)
0.00014909 TDB
period 2026.321594449725
5.55
2.9204e-05
7.996e-08
d
yr
n .1776618286979086 2.5605e-09 deg/d
Q 3.645319303936038 3.5025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      8814 days (24.13 yr)  
   first obs. used      1996-04-11  
   last obs. used      2020-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:47:03  

Additional Information
 Earth MOID = 1.66494 au 
 Jupiter MOID = 1.92729 au 
 T_jup = 3.115 
[ 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 14.76   n/a E2021B10  
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. 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 0.082   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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