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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1046665087475758 6.0089e-08  
a 2.564997570393312 1.2027e-08 au
q 2.29652822975423 1.5473e-07 au
i 15.16463027139723 4.1936e-06 deg
node 62.46687070017775 2.0955e-05 deg
peri 80.6543937084022 3.5778e-05 deg
M 114.691852436127 2.5406e-05 deg
tp 2458918.465841790874
(2020-Mar-09.96584179)
0.00010648 TDB
period 1500.475345893689
4.11
1.0553e-05
2.889e-08
d
yr
n .2399239687511044 1.6874e-09 deg/d
Q 2.833466911032394 1.3285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      15955 days (43.68 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52388  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:37:00  

Additional Information
 Earth MOID = 1.36693 au 
 Jupiter MOID = 2.32269 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457187.5 (2015-Jun-14.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051782719666125 6.0601e-08  
q 2.295057100217404 1.5651e-07 au
tp 2457420.307310145241
(2016-Feb-01.80731015)
0.00010737 TDB
node 62.51687377544022 2.0963e-05 deg
peri 81.25542415980814 3.5386e-05 deg
i 15.16213961428678 4.1923e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      15955 days (43.68 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52388  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:37:00  

Additional Information
 Jupiter MOID = 2.32269 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.672436685657241E-15 -9.461148592584071E-15 3.149689880285222E-12 3.977889778440854E-14 8.942198600278422E-13 -2.042296665501232E-14
q -9.461148592584071E-15 2.449381594710922E-14 -8.457210137007385E-12 -1.016633462312884E-13 -2.401304193498141E-12 5.33934381604131E-14
tp 3.149689880285222E-12 -8.457210137007385E-12 1.152882753515477E-8 5.363240475374557E-11 3.095737875088876E-9 -1.749559956613681E-11
node 3.977889778440854E-14 -1.016633462312884E-13 5.363240475374557E-11 4.394638946219312E-10 -4.085609904413819E-10 -1.276366186972329E-11
peri 8.942198600278422E-13 -2.401304193498141E-12 3.095737875088876E-9 -4.085609904413819E-10 1.252144935264992E-9 7.083638825351334E-12
i -2.042296665501232E-14 5.33934381604131E-14 -1.749559956613681E-11 -1.276366186972329E-11 7.083638825351334E-12 1.757504319434042E-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 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

Alternate Designations
 5103 T-3 = 2000 GC92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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