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3701 Purkyne (1985 DW)
Classification: Main-belt Asteroid          SPK-ID: 2003701
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09032380357338496 1.7557e-08  
a 2.797946300475163 9.6824e-09 au
q 2.545225148422166 5.2376e-08 au
i 4.92310096000433 5.4466e-07 deg
node 115.5170714295781 3.2701e-06 deg
peri 299.7455614174445 9.9217e-06 deg
M 319.2793603010975 1.0811e-05 deg
tp 2459393.861310392635
(2021-Jun-28.36131039)
5.1557e-05 TDB
period 1709.454278126795
4.68
8.8734e-06
2.429e-08
d
yr
n .2105935236796651 1.0931e-09 deg/d
Q 3.050667452528161 1.0557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2969  
   data-arc span      25213 days (69.03 yr)  
   first obs. used      1952-01-30  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:26:48  

Additional Information
 Earth MOID = 1.56071 au 
 Jupiter MOID = 2.23166 au 
 T_jup = 3.315 
[ 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 12.53   n/a E2021B10  
diameter diameter 9.013 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3701 Purkyne (1985 DW)          Discovered 1985-Feb-20 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1985 DW = 1952 BL = 1969 VU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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