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91753 (1999 TN189)
Classification: Main-belt Asteroid          SPK-ID: 2091753
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07481486866683359 4.5039e-08  
a 3.092858421927056 2.1398e-08 au
q 2.861466625285473 1.4954e-07 au
i 8.60245766836954 6.1487e-06 deg
node 320.6400152263865 2.7003e-05 deg
peri 86.13838510074443 5.7031e-05 deg
M 342.6890875710823 4.9496e-05 deg
tp 2459492.033556516115
(2021-Oct-04.53355652)
0.00027347 TDB
period 1986.728341849269
5.44
2.0618e-05
5.645e-08
d
yr
n .1812024283425221 1.8805e-09 deg/d
Q 3.324250218568638 2.2999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      7977 days (21.84 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:04:49  

Additional Information
 Earth MOID = 1.88699 au 
 Jupiter MOID = 1.97757 au 
 T_jup = 3.203 
[ 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 14.52   n/a E2021B10  
diameter diameter 8.249 km 1.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.045   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91753 (1999 TN189)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TN189 = 2000 YS115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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