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3606 Pohjola (1939 SF)
Classification: Main-belt Asteroid          SPK-ID: 2003606
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283585521817864 3.1013e-08  
a 2.606651817313533 8.8596e-09 au
q 2.011400582269792 7.9688e-08 au
i 12.42039608319071 3.6742e-06 deg
node 250.0945681890644 1.4251e-05 deg
peri 108.8357310587357 1.6065e-05 deg
M 118.0203366542897 7.8924e-06 deg
tp 2458696.561763709329
(2019-Aug-01.06176371)
3.309e-05 TDB
period 1537.173763501949
4.21
7.8369e-06
2.146e-08
d
yr
n .2341960346628982 1.194e-09 deg/d
Q 3.201903052357273 1.0883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2570  
   data-arc span      29710 days (81.34 yr)  
   first obs. used      1939-09-19  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:11:55  

Additional Information
 Earth MOID = 1.04768 au 
 Jupiter MOID = 2.44181 au 
 T_jup = 3.342 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.37   n/a E2021B10  
diameter diameter 8.887 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.847 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Polakis, T. (2020) Minor Planet Bull. 47, 94-101.]
geometric albedo albedo 0.323   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3606 Pohjola (1939 SF)          Discovered 1939-Sep-19 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1939 SF = 1973 WO = 1985 LE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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