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152921 (2000 EK32)
Classification: Main-belt Asteroid          SPK-ID: 2152921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1372804685886011 3.3354e-08  
a 2.242143717101493 9.5179e-09 au
q 1.934341176974812 7.6297e-08 au
i 4.455532534713125 5.226e-06 deg
node 2.175241371224089 4.6063e-05 deg
peri 277.6779231527718 5.1721e-05 deg
M 322.1148404404192 2.7048e-05 deg
tp 2459329.550656047361
(2021-Apr-25.05065605)
9.2545e-05 TDB
period 1226.29115772857
3.36
7.8084e-06
2.138e-08
d
yr
n .2935681283609836 1.8693e-09 deg/d
Q 2.549946257228174 1.0824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      10473 days (28.67 yr)  
   first obs. used      1991-10-05  
   last obs. used      2020-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:29:15  

Additional Information
 Earth MOID = .922343 au 
 Jupiter MOID = 2.57755 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457160.5 (2015-May-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1376955411850734 3.3338e-08  
q 1.933564550389349 7.6291e-08 au
tp 2456876.177048589384
(2014-Aug-06.67704859)
8.5527e-05 TDB
node 2.201311748123493 4.604e-05 deg
peri 277.5902946339468 5.168e-05 deg
i 4.457308717167161 5.2269e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      10473 days (28.67 yr)  
   first obs. used      1991-10-05  
   last obs. used      2020-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:29:15  

Additional Information
 Jupiter MOID = 2.57755 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.111443864592598E-15 -2.528817895856689E-15 6.381222928580274E-13 4.324871791482389E-16 1.764069376122076E-13 1.061648165929141E-15
q -2.528817895856689E-15 5.820240728592247E-15 -1.178807838594503E-12 -5.034651524644803E-16 -3.258065224199211E-13 -2.26341237907381E-15
tp 6.381222928580274E-13 -1.178807838594503E-12 7.31494406894821E-9 1.434505249301472E-11 2.016559169296595E-9 -1.280466087956703E-12
node 4.324871791482389E-16 -5.034651524644803E-16 1.434505249301472E-11 2.119694423242099E-9 -2.108822755728721E-9 -2.923492342613996E-11
peri 1.764069376122076E-13 -3.258065224199211E-13 2.016559169296595E-9 -2.108822755728721E-9 2.670818296649498E-9 2.883342187190179E-11
i 1.061648165929141E-15 -2.26341237907381E-15 -1.280466087956703E-12 -2.923492342613996E-11 2.883342187190179E-11 2.73205525411849E-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 16.17   n/a E2021B55  
diameter diameter 2.313 km 0.538 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.131   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152921 (2000 EK32)          Discovered 2000-Mar-05 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2000 EK32 = 2001 QC216 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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