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129405 (5046 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2129405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513308792037985 4.1569e-08  
a 2.774450798404846 1.4901e-08 au
q 2.35459071977456 1.1813e-07 au
i 11.49178551855459 5.6517e-06 deg
node 316.5280191132153 1.8448e-05 deg
peri 58.4335862096267 2.5835e-05 deg
M 30.34384654129414 1.6542e-05 deg
tp 2458858.223851286155
(2020-Jan-09.72385129)
7.7404e-05 TDB
period 1687.967063347793
4.62
1.3599e-05
3.723e-08
d
yr
n .2132743036383671 1.7182e-09 deg/d
Q 3.194310877035131 1.7156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      17200 days (47.09 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51524  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:49:28  

Additional Information
 Earth MOID = 1.37695 au 
 Jupiter MOID = 2.35605 au 
 T_jup = 3.290 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457584.5 (2016-Jul-15.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528656797857239 4.227e-08  
q 2.349466046666845 1.2042e-07 au
tp 2457164.826467130851
(2015-May-22.32646713)
7.4276e-05 TDB
node 316.8042101454639 1.8419e-05 deg
peri 57.20179865321884 2.5496e-05 deg
i 11.50185083496382 5.6579e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      17200 days (47.09 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51524  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:49:28  

Additional Information
 Jupiter MOID = 2.35605 au 
 T_jup = 3.290 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.786772895877048E-15 -5.063046187299909E-15 -1.338218308651119E-12 5.660459128967855E-15 -3.032104588136774E-13 -6.952831247010999E-15
q -5.063046187299909E-15 1.450078212676952E-14 3.71423676208282E-12 -1.739765522928916E-14 8.481940944033887E-13 2.143494617407848E-14
tp -1.338218308651119E-12 3.71423676208282E-12 5.516888972556406E-9 -6.06847839102502E-12 1.318569273570923E-9 9.396854901115934E-12
node 5.660459128967855E-15 -1.739765522928916E-14 -6.06847839102502E-12 3.392481460862988E-10 -3.33395363726636E-10 2.283210737634006E-11
peri -3.032104588136774E-13 8.481940944033887E-13 1.318569273570923E-9 -3.33395363726636E-10 6.500688320404212E-10 -2.036478236039239E-11
i -6.952831247010999E-15 2.143494617407848E-14 9.396854901115934E-12 2.283210737634006E-11 -2.036478236039239E-11 3.201192346456642E-11

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 15.4   n/a MPO493741  
diameter diameter 4.980 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129405 (5046 T-2)          Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 5046 T-2 = 1996 TG14 = 2005 OK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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