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JPL Small-Body Database Browser
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34973 (5157 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2034973
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05957438108890921 5.4952e-08  
a 3.073976108713657 2.7292e-08 au
q 2.890845884554947 1.7993e-07 au
i 9.314114263844358 5.6288e-06 deg
node 252.9320367916612 3.9414e-05 deg
peri 355.869034393875 7.2589e-05 deg
M 350.9079981245994 6.3791e-05 deg
tp 2459050.217144202985
(2020-Jul-19.71714420)
0.00034892 TDB
period 1968.56227686226
5.39
2.6216e-05
7.178e-08
d
yr
n .1828745802107988 2.4354e-09 deg/d
Q 3.257106332872366 2.8917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      17022 days (46.60 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:34  

Additional Information
 Earth MOID = 1.87683 au 
 Jupiter MOID = 1.78346 au 
 T_jup = 3.207 
[ 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 14.6   n/a MPO263638  
diameter diameter 3.475 km 0.754 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.254   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34973 (5157 T-2)          Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 5157 T-2 = 2000 SP19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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