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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197853200010485 4.1289e-08  
a 3.223553450997199 1.6812e-08 au
q 2.837419069329015 1.3535e-07 au
i 2.211065967656706 4.0143e-06 deg
node 125.1100419638247 0.00010706 deg
peri 86.95043047831912 0.00010847 deg
M 307.9984731235684 1.9526e-05 deg
tp 2459305.861538791171
(2021-Apr-01.36153879)
0.00011542 TDB
period 2113.979349607227
5.79
1.6538e-05
4.528e-08
d
yr
n .1702949463848298 1.3322e-09 deg/d
Q 3.609687832665383 1.8826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      25926 days (70.98 yr)  
   first obs. used      1949-11-21  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49872  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:52:30  

Additional Information
 Earth MOID = 1.83268 au 
 Jupiter MOID = 1.35548 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456653.5 (2013-Dec-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219876057777736 4.1512e-08  
q 2.835117423010815 1.3689e-07 au
tp 2457184.145453999282
(2015-Jun-10.64545400)
0.00010781 TDB
node 125.128131699734 0.00010719 deg
peri 85.59366783124347 0.00010849 deg
i 2.20857594042174 4.0097e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      25926 days (70.98 yr)  
   first obs. used      1949-11-21  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49872  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:52:30  

Additional Information
 Jupiter MOID = 1.35548 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.723208282938879E-15 -5.648751253736055E-15 -1.588308786684214E-12 4.374255480717999E-15 -2.044975707109366E-13 4.914967847551365E-16
q -5.648751253736055E-15 1.873851305813228E-14 5.553134055017146E-12 -2.448385354135831E-14 7.259600698848066E-13 -2.018313116761644E-15
tp -1.588308786684214E-12 5.553134055017146E-12 1.162242276892039E-8 4.109475226186043E-12 1.833836430128589E-9 1.0319220760274E-13
node 4.374255480717999E-15 -2.448385354135831E-14 4.109475226186043E-12 1.1488703570476E-8 -1.147913284619049E-8 7.527850842521753E-11
peri -2.044975707109366E-13 7.259600698848066E-13 1.833836430128589E-9 -1.147913284619049E-8 1.177073628203704E-8 -7.520145542525812E-11
i 4.914967847551365E-16 -2.018313116761644E-15 1.0319220760274E-13 7.527850842521753E-11 -7.520145542525812E-11 1.607750019828682E-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 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

[ show close-approach data ]
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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