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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07534134256921794 4.9049e-08  
a 3.097122448946181 2.5408e-08 au
q 2.863781085541311 1.5919e-07 au
i 8.599021684490697 6.3249e-06 deg
node 320.6391140891251 3.4412e-05 deg
peri 85.18418449361755 6.2564e-05 deg
M 271.9418961875024 5.0928e-05 deg
tp 2459487.470686841542
(2021-Sep-29.97068684)
0.00028305 TDB
period 1990.838317802551
5.45
2.4499e-05
6.707e-08
d
yr
n .1808283459187992 2.2252e-09 deg/d
Q 3.33046381235105 2.7323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      7633 days (20.90 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:19:40  

Additional Information
 Earth MOID = 1.88951 au 
 Jupiter MOID = 1.9775 au 
 T_jup = 3.201 
[ 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 14.5   n/a MPO348076  
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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