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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2282578636812071 3.1969e-08  
a 2.606467190855992 9.0136e-09 au
q 2.011520558116046 8.2545e-08 au
i 12.42154060031302 4.1579e-06 deg
node 250.1003299088504 1.4578e-05 deg
peri 108.8116558436959 1.6812e-05 deg
M 71.21207199664477 8.332e-06 deg
tp 2458696.461947362687
(2019-Jul-31.96194736)
3.5355e-05 TDB
period 1537.01045174742
4.21
7.9728e-06
2.183e-08
d
yr
n .2342209186611045 1.215e-09 deg/d
Q 3.201413823595938 1.1071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2413  
   data-arc span      29628 days (81.12 yr)  
   first obs. used      1939-09-19  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:58:53  

Additional Information
 Earth MOID = 1.04926 au 
 Jupiter MOID = 2.44128 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 12.3   n/a MPO448949  
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 2.92 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Aznar, A.; Garceran, A.C.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 174-181.]
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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