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190618 (2000 WM18)
Classification: Main-belt Asteroid          SPK-ID: 2190618
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001730211865341 5.959e-08  
a 2.631697274263035 1.3083e-08 au
q 2.104902480025436 1.5535e-07 au
i 3.150966431054476 4.301e-06 deg
node 130.5845372738457 0.00011538 deg
peri 287.9370868438191 0.00011596 deg
M 257.8031314740641 1.1721e-05 deg
tp 2459643.177461261311
(2022-Mar-04.67746126)
5.1923e-05 TDB
period 1559.381303485127
4.27
1.1628e-05
3.184e-08
d
yr
n .2308607902348328 1.7215e-09 deg/d
Q 3.158492068500633 1.5702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:25  

Additional Information
 Earth MOID = 1.11912 au 
 Jupiter MOID = 2.19256 au 
 T_jup = 3.369 
[ 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 16.1   n/a MPO281003  
diameter diameter 3.195 km 0.244 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190618 (2000 WM18)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2059-May-08 18:31 00:11 Psych 0.0470815645200313 0.047080219233189 0.0470829098112729 1.3979779267972 1.39797774297329 2473222.271754074 11.2299436075448 337.936752776926 66.4527715537885 -89.3408595403295 105214.040450112 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 22:08:26 2021-Apr-13 22:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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