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91664 (1999 TP107)
Classification: Main-belt Asteroid          SPK-ID: 2091664
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664592977673788 3.4604e-08  
a 2.815733238220917 1.8342e-08 au
q 2.347028260686395 1.0132e-07 au
i 6.731510791985063 4.0868e-06 deg
node 277.0712374921818 4.1266e-05 deg
peri 334.6551230885397 4.4281e-05 deg
M 300.8117484622573 1.8284e-05 deg
tp 2459680.238780698750
(2022-Apr-10.73878070)
8.8731e-05 TDB
period 1725.781018998585
4.72
1.6863e-05
4.617e-08
d
yr
n .2086012049251164 2.0383e-09 deg/d
Q 3.284438215755438 2.1396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      936  
   data-arc span      7923 days (21.69 yr)  
   first obs. used      1999-09-04  
   last obs. used      2021-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52537  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:41:08  

Additional Information
 Earth MOID = 1.33474 au 
 Jupiter MOID = 1.78844 au 
 T_jup = 3.289 
[ 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 14.71   n/a MPCxxxxx  
diameter diameter 6.450 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91664 (1999 TP107)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TP107 = 2000 WA81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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