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34974 (5164 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2034974
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412391785441951 4.7179e-08  
a 3.09284190589925 2.2331e-08 au
q 2.656011455742977 1.4342e-07 au
i 9.153123634945366 5.2727e-06 deg
node 267.0549875381109 3.2364e-05 deg
peri 147.02148693 3.8097e-05 deg
M 166.0822883248734 1.8638e-05 deg
tp 2458083.950704753332
(2017-Nov-26.45070475)
0.00010109 TDB
period 1986.712428018637
5.44
2.1517e-05
5.891e-08
d
yr
n .1812038797980595 1.9625e-09 deg/d
Q 3.529672356055523 2.5485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      17018 days (46.59 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52234  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:34  

Additional Information
 Earth MOID = 1.67354 au 
 Jupiter MOID = 1.82333 au 
 T_jup = 3.189 
[ 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 14.3   n/a MPO436009  

34974 (5164 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
 5164 T-2 = 2000 QS158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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