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3291 Dunlap (1982 VX3)
Classification: Main-belt Asteroid          SPK-ID: 2003291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1035662066078507 3.4429e-08  
a 3.150536701984866 1.6141e-08 au
q 2.824247566981485 1.1193e-07 au
i 2.005498461899449 4.0858e-06 deg
node 151.2479566332184 0.0001049 deg
peri 162.1372422743872 0.00010686 deg
M 347.4418133613499 1.9946e-05 deg
tp 2459071.752429026224
(2020-Aug-10.25242903)
0.00011313 TDB
period 2042.56197073035
5.59
1.5697e-05
4.298e-08
d
yr
n .1762492424507817 1.3545e-09 deg/d
Q 3.476825836988247 1.7813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2388  
   data-arc span      24416 days (66.85 yr)  
   first obs. used      1953-10-01  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:01:55  

Additional Information
 Earth MOID = 1.81032 au 
 Jupiter MOID = 1.77041 au 
 T_jup = 3.199 
[ 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 12.7   n/a MPO473811  
diameter diameter 22.496 km 2.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.051   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3291 Dunlap (1982 VX3)          Discovered 1982-Nov-14 by Kosai, H. and Hurukawa, K. at Kiso Station
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 VX3 = 1974 HE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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