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4393 Dawe (1978 VP8)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004393
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197853195743202 4.1291e-08  
a 3.223553451521953 1.6819e-08 au
q 2.837419071166493 1.3536e-07 au
i 2.211065963540991 4.0149e-06 deg
node 125.1100420111805 0.00010707 deg
peri 86.95043099016272 0.00010848 deg
M 307.9984723841569 1.9539e-05 deg
tp 2459305.861543207681
(2021-Apr-01.36154321)
0.0001155 TDB
period 2113.979350123421
5.79
1.6545e-05
4.53e-08
d
yr
n .1702949463432469 1.3328e-09 deg/d
Q 3.609687831877413 1.8834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2280  
   data-arc span      25752 days (70.51 yr)  
   first obs. used      1949-11-21  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:51:59  

Additional Information
 Earth MOID = 1.83268 au 
 Jupiter MOID = 1.35548 au 
 T_jup = 3.176 
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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 12.7   n/a MPO337288  
diameter diameter 14.716 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4393 Dawe (1978 VP8)          Discovered 1978-Nov-07 by Helin and Bus at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1978 VP8 = 1969 FA = 1978 WU12 = 1983 UL = 1986 EC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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