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79141 (1991 TB)
Classification: Main-belt Asteroid          SPK-ID: 2079141
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897522325797383 5.1953e-08  
a 2.318302192371601 1.0355e-08 au
q 1.878399175574587 1.232e-07 au
i 7.875135852000438 5.5958e-06 deg
node 27.86101898553401 3.0562e-05 deg
peri 9.792220780861671 3.2475e-05 deg
M 4.879075094663195 1.1769e-05 deg
tp 2458983.026154259041
(2020-May-13.52615426)
4.2103e-05 TDB
period 1289.298554479297
3.53
8.6379e-06
2.365e-08
d
yr
n .2792215959207303 1.8707e-09 deg/d
Q 2.758205209168614 1.2319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1127  
   data-arc span      15881 days (43.48 yr)  
   first obs. used      1976-05-02  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:36:10  

Additional Information
 Earth MOID = .886006 au 
 Jupiter MOID = 2.67436 au 
 T_jup = 3.543 
[ 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 14.9   n/a MPO395713  
diameter diameter 2.331 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.391   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79141 (1991 TB)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1991 TB = 1976 JR9 = 2000 DY99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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