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91641 (1999 TS90)
Classification: Main-belt Asteroid          SPK-ID: 2091641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06832351922588432 2.9238e-08  
a 2.910954476716985 1.5364e-08 au
q 2.712067822561338 8.9551e-08 au
i 16.77171022708883 3.6592e-06 deg
node 26.72724955721119 1.1296e-05 deg
peri 72.01384568257785 4.3469e-05 deg
M 49.65550379571872 3.8268e-05 deg
tp 2459146.283215221438
(2020-Oct-23.78321522)
0.00019376 TDB
period 1814.05958322084
4.97
1.4362e-05
3.932e-08
d
yr
n .1984499314850643 1.5712e-09 deg/d
Q 3.109841130872632 1.6414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1719  
   data-arc span      7913 days (21.66 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:41:03  

Additional Information
 Earth MOID = 1.77751 au 
 Jupiter MOID = 2.06898 au 
 T_jup = 3.216 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.09   n/a MPCxxxxx  
diameter diameter 11.147 km 3.460 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.029   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

91641 (1999 TS90)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 TS90 = 2000 XJ43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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