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52213 (4181 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2052213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .234074598652823 3.878e-08  
a 2.326515891694362 9.8217e-09 au
q 1.78193761808659 9.3019e-08 au
i 2.758819506584013 4.8149e-06 deg
node 102.5352216227596 0.00010222 deg
peri 236.8756577616243 0.00010281 deg
M 141.0263563344622 1.2329e-05 deg
tp 2458888.743786669731
(2020-Feb-09.24378667)
4.3429e-05 TDB
period 1296.156559312795
3.55
8.2078e-06
2.247e-08
d
yr
n .2777442257367947 1.7588e-09 deg/d
Q 2.871094165302135 1.2121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      15868 days (43.44 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:23  

Additional Information
 Earth MOID = .774137 au 
 Jupiter MOID = 2.52641 au 
 T_jup = 3.535 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457273.5 (2015-Sep-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2346222061972405 3.8799e-08  
q 1.779874733036106 9.3073e-08 au
tp 2457593.781569166308
(2016-Jul-24.28156917)
4.1948e-05 TDB
node 102.5501873538015 0.00010228 deg
peri 237.0203055213506 0.00010287 deg
i 2.758521344586561 4.815e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      15868 days (43.44 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:23  

Additional Information
 Jupiter MOID = 2.52641 au 
 T_jup = 3.535 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.505376921829332E-15 -3.600734801880519E-15 3.307856039527948E-13 6.273694579661157E-15 1.243451146181361E-13 -1.266198269768081E-15
q -3.600734801880519E-15 8.662633010638173E-15 -7.485988591574985E-13 -1.451231234148034E-14 -2.908863455703081E-13 3.15908208587982E-15
tp 3.307856039527948E-13 -7.485988591574985E-13 1.759622530557395E-9 2.063493662047386E-11 4.829577327417012E-10 -1.004953759745442E-12
node 6.273694579661157E-15 -1.451231234148034E-14 2.063493662047386E-11 1.046211128053564E-8 -1.044401636879043E-8 -1.572773364061053E-10
peri 1.243451146181361E-13 -2.908863455703081E-13 4.829577327417012E-10 -1.044401636879043E-8 1.0582671536117E-8 1.567762795053775E-10
i -1.266198269768081E-15 3.15908208587982E-15 -1.004953759745442E-12 -1.572773364061053E-10 1.567762795053775E-10 2.318435760809276E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.09   n/a MPCxxxxx  

52213 (4181 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4181 T-3 = 1991 PN14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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