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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1236897968251832 3.7765e-08  
a 3.152437181509649 1.4238e-08 au
q 2.762512867024568 1.2188e-07 au
i 2.09821070157425 3.832e-06 deg
node 126.8720442424246 0.00010733 deg
peri 27.91642924646528 0.00010855 deg
M 343.4093857829754 1.5046e-05 deg
tp 2459294.716735550941
(2021-Mar-21.21673555)
8.5479e-05 TDB
period 2044.410433191408
5.60
1.385e-05
3.792e-08
d
yr
n .1760898859423376 1.1929e-09 deg/d
Q 3.542361495994731 1.5999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1568  
   data-arc span      18260 days (49.99 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5052  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:09  

Additional Information
 Earth MOID = 1.77257 au 
 Jupiter MOID = 1.44549 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 14.14   n/a MPCxxxxx  
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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