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190489 (2000 EW61)
Classification: Main-belt Asteroid          SPK-ID: 2190489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0894166326586165 6.695e-08  
a 3.172202663321278 3.1172e-08 au
q 2.888554983056395 2.2371e-07 au
i 16.29133213903633 7.3198e-06 deg
node 181.9828124937112 1.6151e-05 deg
peri 355.7151278457985 3.1725e-05 deg
M 245.5518548502897 2.8794e-05 deg
tp 2459856.563796395096
(2022-Oct-04.06379639)
0.00016817 TDB
period 2063.667929203066
5.65
3.0419e-05
8.328e-08
d
yr
n .1744466708551421 2.5714e-09 deg/d
Q 3.455850343586162 3.396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      9326 days (25.53 yr)  
   first obs. used      1995-06-26  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:51  

Additional Information
 Earth MOID = 1.89188 au 
 Jupiter MOID = 1.50304 au 
 T_jup = 3.133 
[ 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 15.1   n/a MPO494051  
diameter diameter 6.682 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190489 (2000 EW61)          Discovered 2000-Mar-10 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2000 EW61 = 1995 MZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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