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JPL Small-Body Database Browser
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71623 (2000 ET53)
Classification: Main-belt Asteroid          SPK-ID: 2071623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861393738582179 4.3388e-08  
a 3.123674692301253 1.7616e-08 au
q 2.542235840939536 1.4019e-07 au
i .8294172153829533 4.539e-06 deg
node 2.976907741715107 0.00022382 deg
peri 334.6512857168706 0.00022406 deg
M 45.01279582002601 8.3693e-06 deg
tp 2458748.366464825064
(2019-Sep-21.86646482)
4.7335e-05 TDB
period 2016.494887940168
5.52
1.7058e-05
4.67e-08
d
yr
n .1785276035922594 1.5102e-09 deg/d
Q 3.705113543662969 2.0895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1224  
   data-arc span      24226 days (66.33 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:28:48  

Additional Information
 Earth MOID = 1.53309 au 
 Jupiter MOID = 1.686 au 
 T_jup = 3.188 
[ 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 14.4   n/a MPO502594  
diameter diameter 5.021 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71623 (2000 ET53)          Discovered 2000-Mar-09 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 ET53 = 1953 RK2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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