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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237398299952666 3.7975e-08  
a 3.152282470353774 1.7886e-08 au
q 2.762219573375139 1.2237e-07 au
i 2.098120348742652 3.8659e-06 deg
node 126.8732810608995 0.00013231 deg
peri 27.98066833427918 0.00013363 deg
M 308.1397538434745 1.973e-05 deg
tp 2459294.988398539612
(2021-Mar-21.48839854)
0.0001131 TDB
period 2044.259935718038
5.60
1.7398e-05
4.763e-08
d
yr
n .1761028495985035 1.4988e-09 deg/d
Q 3.542345367332409 2.0099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1287  
   data-arc span      17842 days (48.85 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53719  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:22:46  

Additional Information
 Earth MOID = 1.77246 au 
 Jupiter MOID = 1.44625 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456687.5 (2014-Jan-30.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247440761800299 3.8183e-08  
q 2.75621787663618 1.2303e-07 au
tp 2457258.604908356985
(2015-Aug-24.10490836)
0.0001051 TDB
node 126.8962183077517 0.00013231 deg
peri 29.29410595053215 0.00013359 deg
i 2.09779225872164 3.8684e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1287  
   data-arc span      17842 days (48.85 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53719  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:22:46  

Additional Information
 Jupiter MOID = 1.44625 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.457941952478152E-15 -4.660719226204652E-15 8.445112216412708E-13 7.705836778193208E-16 1.828913942674974E-13 -2.229593470454981E-16
q -4.660719226204652E-15 1.513684816008415E-14 -2.21002642817698E-12 -5.351143661136893E-16 -5.155362764138467E-13 7.924539089864911E-16
tp 8.445112216412708E-13 -2.21002642817698E-12 1.104621112099361E-8 1.62771338267644E-11 1.972663068588086E-9 5.621679668307723E-14
node 7.705836778193208E-16 -5.351143661136893E-16 1.62771338267644E-11 1.75061421552825E-8 -1.749141420238834E-8 5.894712363801132E-11
peri 1.828913942674974E-13 -5.155362764138467E-13 1.972663068588086E-9 -1.749141420238834E-8 1.784614985514332E-8 -5.890549816150918E-11
i -2.229593470454981E-16 7.924539089864911E-16 5.621679668307723E-14 5.894712363801132E-11 -5.890549816150918E-11 1.496429143708911E-11

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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