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71672 (2000 ER166)
Classification: Main-belt Asteroid          SPK-ID: 2071672
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995844781951366 5.8041e-08  
a 2.806586885800366 1.267e-08 au
q 2.246435706688586 1.6399e-07 au
i 10.56980663037521 5.8474e-06 deg
node 55.16136962507183 2.3252e-05 deg
peri 346.4332590239279 2.5087e-05 deg
M 195.0597821593505 9.393e-06 deg
tp 2459787.346880317092
(2022-Jul-26.84688032)
4.6904e-05 TDB
period 1717.379063897068
4.70
1.1629e-05
3.184e-08
d
yr
n .2096217472123422 1.4195e-09 deg/d
Q 3.366738064912145 1.5199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1168  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-09-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:45:47  

Additional Information
 Earth MOID = 1.25686 au 
 Jupiter MOID = 2.0459 au 
 T_jup = 3.269 
[ 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 14.1   n/a MPO337801  
diameter diameter 4.284 km 1.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71672 (2000 ER166)          Discovered 2000-Mar-04 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 ER166 = 1998 XA98 = 2000 EF118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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