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JPL Small-Body Database Browser
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418094 (2007 WV4)
Classification: Apollo [NEO, PHA]          SPK-ID: 2418094
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4409661918079154 2.3057e-08  
a 1.48639574002813 6.1475e-09 au
q .8309454710284173 3.2907e-08 au
i 38.33294743226426 1.4092e-06 deg
node 249.9003220140188 6.7e-07 deg
peri 297.6265357352751 5.1096e-06 deg
M 260.2376803521295 3.4086e-06 deg
tp 2459183.927371523950
(2020-Nov-30.42737152)
7.3573e-06 TDB
period 661.9117717160195
1.81
4.1064e-06
1.124e-08
d
yr
n .5438791322092562 3.3741e-09 deg/d
Q 2.141846009027842 8.8584e-09 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   # delay obs. used      7  
   # Doppler obs. used      3  
   data-arc span      4024 days (11.02 yr)  
   first obs. used      2007-11-19  
   last obs. used      2018-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:18:04  

Additional Information
 Earth MOID = .017655 au 
 Jupiter MOID = 3.24041 au 
 T_jup = 4.253 
[ 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 19.6   n/a MPO427984  
diameter diameter 0.890 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 9.929 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 335-344.]
geometric albedo albedo 0.042   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

418094 (2007 WV4)          Discovered 2007-Nov-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-01-07

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