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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513308765024683 4.3537e-08  
a 2.774450799101203 1.5265e-08 au
q 2.354590727860244 1.2431e-07 au
i 11.49178429417899 5.8416e-06 deg
node 316.5280158259953 1.8754e-05 deg
peri 58.4335895168179 2.603e-05 deg
M 30.34384618924188 1.6644e-05 deg
tp 2458858.223852883292
(2020-Jan-09.72385288)
7.7853e-05 TDB
period 1687.967063983286
4.62
1.393e-05
3.814e-08
d
yr
n .2132743035580727 1.7601e-09 deg/d
Q 3.194310870342162 1.7575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      16928 days (46.35 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:04:15  

Additional Information
 Earth MOID = 1.37695 au 
 Jupiter MOID = 2.35605 au 
 T_jup = 3.290 
[ 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 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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