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52167 (1220 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2052167
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745727865913143 2.9958e-08  
a 3.198260185348825 1.471e-08 au
q 2.639930992548427 9.8377e-08 au
i .3236839175411465 3.5601e-06 deg
node 247.8046134940359 0.00078072 deg
peri 167.1707590021686 0.00078087 deg
M 34.07198291855098 1.3093e-05 deg
tp 2459002.773889715358
(2020-Jun-02.27388972)
7.5834e-05 TDB
period 2089.147551894182
5.72
1.4414e-05
3.946e-08
d
yr
n .1723190875979996 1.1889e-09 deg/d
Q 3.756589378149222 1.7278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      17347 days (47.49 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48439  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:12  

Additional Information
 Earth MOID = 1.65078 au 
 Jupiter MOID = 1.6068 au 
 T_jup = 3.171 
[ 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 14.18   n/a MPCxxxxx  
diameter diameter 7.424 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52167 (1220 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1220 T-2 = 1979 WA1 = 1996 RO13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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