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3605 Davy (1932 WB)
Classification: Main-belt Asteroid          SPK-ID: 2003605
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08055659523045341 3.7589e-08  
a 2.250989969679417 6.8858e-09 au
q 2.069657881824142 8.3932e-08 au
i 3.919009862390744 3.7849e-06 deg
node 282.5658523700725 5.436e-05 deg
peri 200.0396112189751 5.9506e-05 deg
M 274.1967773304646 2.6167e-05 deg
tp 2459294.508485919015
(2021-Mar-21.00848592)
9.0228e-05 TDB
period 1233.555706159103
3.38
5.6602e-06
1.55e-08
d
yr
n .2918392726023898 1.3391e-09 deg/d
Q 2.432322057534693 7.4405e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2501  
   data-arc span      32114 days (87.92 yr)  
   first obs. used      1932-11-28  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:58:53  

Additional Information
 Earth MOID = 1.08593 au 
 Jupiter MOID = 2.61407 au 
 T_jup = 3.620 
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Orbital Elements at Epoch 2457042.5 (2015-Jan-20.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08006106414558158 3.7443e-08  
q 2.070936511752928 8.357e-08 au
tp 2456825.100998588921
(2014-Jun-16.60099859)
8.6867e-05 TDB
node 282.616605791862 5.4411e-05 deg
peri 199.5299196987832 5.9658e-05 deg
i 3.916561324220583 3.783e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2501  
   data-arc span      32114 days (87.92 yr)  
   first obs. used      1932-11-28  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:58:53  

Additional Information
 Jupiter MOID = 2.61407 au 
 T_jup = 3.620 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.401973628824531E-15 -3.120155331545273E-15 7.347396737444052E-13 -3.975928459659671E-15 2.232200825270122E-13 3.966333364471242E-16
q -3.120155331545273E-15 6.983863773374214E-15 -1.475407628972007E-12 8.326836848042103E-15 -4.513077558887687E-13 -8.140698281984264E-16
tp 7.347396737444052E-13 -1.475407628972007E-12 7.545820625298221E-9 -1.262909335423648E-11 2.13806523897211E-9 3.035129917726818E-13
node -3.975928459659671E-15 8.326836848042103E-15 -1.262909335423648E-11 2.960597358077422E-9 -2.956848358214061E-9 4.974779681138823E-11
peri 2.232200825270122E-13 -4.513077558887687E-13 2.13806523897211E-9 -2.956848358214061E-9 3.559099362707992E-9 -4.954209867804648E-11
i 3.966333364471242E-16 -8.140698281984264E-16 3.035129917726818E-13 4.974779681138823E-11 -4.954209867804648E-11 1.431123365283217E-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 12.8   n/a MPO384784  
diameter diameter 5.976 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.72 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ruthroff, J.C. (2011) Minor Planet Bull. 38, 86-88.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.411   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3605 Davy (1932 WB)          Discovered 1932-Nov-28 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1932 WB = 1971 GD = 1984 BY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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