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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06027469209914604 4.6316e-08  
a 3.030301562900253 4.526e-08 au
q 2.847651069228879 1.4399e-07 au
i 9.685686730858317 5.6078e-06 deg
node 87.87124188175379 3.8536e-05 deg
peri 190.7097482268431 6.776e-05 deg
M 205.4948901219746 5.6113e-05 deg
tp 2459427.427715436322
(2021-Jul-31.92771544)
0.00030193 TDB
period 1926.758136297831
5.28
4.3166e-05
1.182e-07
d
yr
n .1868423406228464 4.1859e-09 deg/d
Q 3.212952056571627 4.7988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5451 days (14.92 yr)  
   first obs. used      2004-01-28  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65787  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:06:18  

Additional Information
 Earth MOID = 1.83133 au 
 Jupiter MOID = 1.87654 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456939.5 (2014-Oct-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05921385353576886 4.6488e-08  
q 2.85099337783537 1.4397e-07 au
tp 2457496.324994356423
(2016-Apr-17.82499436)
0.00030475 TDB
node 87.897232190653 3.8536e-05 deg
peri 189.8915116888512 6.8504e-05 deg
i 9.68528267488343 5.6073e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5451 days (14.92 yr)  
   first obs. used      2004-01-28  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65787  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:06:18  

Additional Information
 Jupiter MOID = 1.87654 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.161174782653585E-15 -6.397483631223639E-15 -2.5908903118162E-12 9.123166844900705E-15 -5.120832288781437E-13 -6.622173088417356E-16
q -6.397483631223639E-15 2.072677309802114E-14 7.529095499364229E-12 -3.749911857895255E-14 1.402062072777924E-12 5.138909528328156E-15
tp -2.5908903118162E-12 7.529095499364229E-12 9.287028958725068E-8 4.043979854857336E-11 1.731297472511354E-8 4.642221074168948E-12
node 9.123166844900705E-15 -3.749911857895255E-14 4.043979854857336E-11 1.485061525357482E-9 -1.456169606370077E-9 -5.527722520792729E-11
peri -5.120832288781437E-13 1.402062072777924E-12 1.731297472511354E-8 -1.456169606370077E-9 4.69278718725899E-9 5.526814589469747E-11
i -6.622173088417356E-16 5.138909528328156E-15 4.642221074168948E-12 -5.527722520792729E-11 5.526814589469747E-11 3.144156508108867E-11

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 15.8   n/a MPO427414  
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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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