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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09039702778348949 3.1484e-08  
a 2.799224661646686 1.1741e-08 au
q 2.546183072135582 8.9076e-08 au
i 4.922985559949331 3.629e-06 deg
node 115.5158645383087 4.0131e-05 deg
peri 299.4594872011997 4.4917e-05 deg
M 277.4511309707268 2.1199e-05 deg
tp 2459392.750663780870
(2021-Jun-27.25066378)
0.00010152 TDB
period 1710.62596764394
4.68
1.0763e-05
2.947e-08
d
yr
n .2104492781059737 1.3241e-09 deg/d
Q 3.05226625115779 1.2803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2312  
   data-arc span      24724 days (67.69 yr)  
   first obs. used      1952-01-30  
   last obs. used      2019-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:53:40  

Additional Information
 Earth MOID = 1.56239 au 
 Jupiter MOID = 2.23152 au 
 T_jup = 3.314 
[ 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 12.5   n/a MPO452216  
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

[ show close-approach data ]
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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