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52221 (5103 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2052221
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1048134388600155 8.5729e-08  
a 2.564803823185195 1.3922e-08 au
q 2.29597791447584 2.2481e-07 au
i 15.16550535340262 4.2623e-06 deg
node 62.46780767036676 2.2263e-05 deg
peri 80.61543494664127 4.7672e-05 deg
M 67.68674679674763 3.5105e-05 deg
tp 2458918.414478442399
(2020-Mar-09.91447844)
0.00014736 TDB
period 1500.30534139389
4.11
1.2216e-05
3.345e-08
d
yr
n .2399511553198461 1.9538e-09 deg/d
Q 2.83362973189455 1.5382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1069  
   data-arc span      15566 days (42.62 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:39  

Additional Information
 Earth MOID = 1.36572 au 
 Jupiter MOID = 2.32367 au 
 T_jup = 3.377 
[ 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 15.07   n/a E2021B10  
diameter diameter 5.396 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52221 (5103 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

[ show close-approach data ]
Alternate Designations
 5103 T-3 = 2000 GC92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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