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71621 (2000 EC47)
Classification: Main-belt Asteroid          SPK-ID: 2071621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09482267183288255 4.4648e-08  
a 3.14733841808379 2.3489e-08 au
q 2.848899380118807 1.4375e-07 au
i 5.222813099005804 5.7337e-06 deg
node 8.281861676138744 4.7934e-05 deg
peri 121.5149627313493 5.5731e-05 deg
M 271.2995551420471 2.8798e-05 deg
tp 2459503.000951641926
(2021-Oct-15.50095164)
0.00016521 TDB
period 2039.452483928256
5.58
2.2831e-05
6.251e-08
d
yr
n .1765179639324532 1.9761e-09 deg/d
Q 3.445777456048773 2.5717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      875  
   data-arc span      8015 days (21.94 yr)  
   first obs. used      1997-10-23  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52922  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:29:57  

Additional Information
 Earth MOID = 1.86796 au 
 Jupiter MOID = 1.59544 au 
 T_jup = 3.195 
[ 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 14.3   n/a MPO366072  
diameter diameter 6.307 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71621 (2000 EC47)          Discovered 2000-Mar-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 EC47 = 1997 UU11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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