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190621 (2000 WJ46)
Classification: Main-belt Asteroid          SPK-ID: 2190621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922680168446894 3.8815e-08  
a 2.67525699762587 1.8576e-08 au
q 2.160890640142466 1.0191e-07 au
i 8.962698864814286 5.6088e-06 deg
node 227.5761337252541 3.186e-05 deg
peri 217.2803268055458 3.586e-05 deg
M 196.2702081718141 1.8498e-05 deg
tp 2459927.395363653907
(2022-Dec-13.89536365)
8.6634e-05 TDB
period 1598.257274949752
4.38
1.6647e-05
4.558e-08
d
yr
n .2252453379330421 2.346e-09 deg/d
Q 3.189623355109274 2.2148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      9063 days (24.81 yr)  
   first obs. used      1995-09-25  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:59:41  

Additional Information
 Earth MOID = 1.18376 au 
 Jupiter MOID = 2.10246 au 
 T_jup = 3.335 
[ 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 15.78   n/a E2021B55  
diameter diameter 2.125 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.271   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190621 (2000 WJ46)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2000 WJ46 = 2004 RK187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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