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52162 (4357 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2052162
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237398311271316 3.7794e-08  
a 3.152282472603377 1.7384e-08 au
q 2.762219571778418 1.2205e-07 au
i 2.09812019507923 3.8505e-06 deg
node 126.8732619910664 0.00012933 deg
peri 27.98068936095345 0.00013062 deg
M 308.1397512810438 1.9088e-05 deg
tp 2459294.988413405614
(2021-Mar-21.48841341)
0.00010934 TDB
period 2044.259937906344
5.60
1.691e-05
4.63e-08
d
yr
n .1761028494099917 1.4567e-09 deg/d
Q 3.542345373428335 1.9535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1329  
   data-arc span      18133 days (49.65 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:32:47  

Additional Information
 Earth MOID = 1.77246 au 
 Jupiter MOID = 1.44625 au 
 T_jup = 3.194 
[ 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 14.1   n/a MPO337675  
diameter diameter 8.572 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52162 (4357 T-1)          Discovered 1971-Mar-26 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
 4357 T-1 = 1999 GA25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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