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249119 (2007 WV18)
Classification: Main-belt Asteroid          SPK-ID: 2249119
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06054844252209472 4.3698e-08  
a 3.028687078388991 4.0119e-08 au
q 2.845304792905744 1.4119e-07 au
i 9.685798688059142 5.2751e-06 deg
node 87.86819242937705 3.8453e-05 deg
peri 191.2152342881177 6.7153e-05 deg
M 317.159703504577 5.6096e-05 deg
tp 2459429.602591115651
(2021-Aug-03.10259112)
0.00030065 TDB
period 1925.218533686991
5.27
3.8253e-05
1.047e-07
d
yr
n .1869917589618063 3.7154e-09 deg/d
Q 3.212069363872238 4.2548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      5928 days (16.23 yr)  
   first obs. used      2004-01-28  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:06:15  

Additional Information
 Earth MOID = 1.8277 au 
 Jupiter MOID = 1.87795 au 
 T_jup = 3.219 
[ 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 15.97   n/a E2021B55  
diameter diameter 4.828 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249119 (2007 WV18)          Discovered 2007-Nov-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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