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20761 (2000 EA8)
Classification: Main-belt Asteroid          SPK-ID: 2020761
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724702096372545 1.3278e-08  
a 2.313001985936276 7.7592e-09 au
q 1.91407804853046 3.0259e-08 au
i 9.394398045044799 4.3224e-07 deg
node 89.88981994154734 3.5717e-06 deg
peri 219.5504723541007 7.0851e-06 deg
M 205.9845722550508 5.6425e-06 deg
tp 2459750.198005170692
(2022-Jun-19.69800517)
2.1704e-05 TDB
period 1284.879604328721
3.52
6.4654e-06
1.77e-08
d
yr
n .280181893141716 1.4099e-09 deg/d
Q 2.711925923342092 9.0975e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2315  
   data-arc span      14288 days (39.12 yr)  
   first obs. used      1982-01-26  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:30:46  

Additional Information
 Earth MOID = .907151 au 
 Jupiter MOID = 2.53864 au 
 T_jup = 3.545 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.72   n/a E2021B10  
diameter diameter 4.666 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.295   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20761 (2000 EA8)          Discovered 2000-Mar-05 by Chesney, D. K. at High Point
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 EA8 = 1982 BS7 = 1998 XK54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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