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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1997795041659897 6.0598e-08  
a 2.806395847271885 1.3092e-08 au
q 2.245735476410415 1.7082e-07 au
i 10.5705199146142 5.9939e-06 deg
node 55.16120530349879 2.4515e-05 deg
peri 346.5117733796676 2.665e-05 deg
M 111.0857369822364 9.7143e-06 deg
tp 2458070.619886939357
(2017-Nov-13.11988694)
4.5705e-05 TDB
period 1717.203719252769
4.70
1.2016e-05
3.29e-08
d
yr
n .2096431518076678 1.467e-09 deg/d
Q 3.367056218133355 1.5707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1110  
   data-arc span      7520 days (20.59 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51391  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:18:48  

Additional Information
 Earth MOID = 1.25563 au 
 Jupiter MOID = 2.04366 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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