Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
3606 Pohjola (1939 SF)
Classification: Main-belt Asteroid          SPK-ID: 2003606
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283585557287849 1.4611e-08  
a 2.606651818378428 8.6672e-09 au
q 2.011400573845719 3.7278e-08 au
i 12.42039995680111 9.8751e-07 deg
node 250.0945668030108 1.6765e-06 deg
peri 108.8357280869102 4.9535e-06 deg
M 118.0203432781359 4.7597e-06 deg
tp 2458696.561735117177
(2019-Aug-01.06173512)
1.9139e-05 TDB
period 1537.173764443922
4.21
7.6667e-06
2.099e-08
d
yr
n .2341960345193839 1.1681e-09 deg/d
Q 3.201903062911137 1.0646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2747  
   data-arc span      29769 days (81.50 yr)  
   first obs. used      1939-09-19  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41717  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:06:00  

Additional Information
 Earth MOID = 1.04768 au 
 Jupiter MOID = 2.44181 au 
 T_jup = 3.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457415.5 (2016-Jan-28.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304104595315994 1.4757e-08  
q 2.004563034128959 3.7718e-08 au
tp 2457157.790332238346
(2015-May-15.29033224)
1.6906e-05 TDB
node 250.221301331795 1.6837e-06 deg
peri 108.3195160604789 4.8665e-06 deg
i 12.40409171143424 9.8724e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2747  
   data-arc span      29769 days (81.50 yr)  
   first obs. used      1939-09-19  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41717  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:06:00  

Additional Information
 Jupiter MOID = 2.44181 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.177619537725645E-16 -5.483208198642677E-16 7.418957396168417E-14 3.041872376148608E-15 -3.516427367924557E-15 -4.255733321069071E-15
q -5.483208198642677E-16 1.422674116243548E-15 -1.897239305169952E-13 -7.926270760471E-15 1.003756988301686E-14 1.115419822961666E-14
tp 7.418957396168417E-14 -1.897239305169952E-13 2.857990507865077E-10 1.59840902567122E-12 7.258245484890792E-11 -3.892387503615028E-12
node 3.041872376148608E-15 -7.926270760471E-15 1.59840902567122E-12 2.834705804623033E-12 -2.395881795966984E-12 -4.387948774544875E-13
peri -3.516427367924557E-15 1.003756988301686E-14 7.258245484890792E-11 -2.395881795966984E-12 2.368244095214504E-11 -3.846799619380678E-13
i -4.255733321069071E-15 1.115419822961666E-14 -3.892387503615028E-12 -4.387948774544875E-13 -3.846799619380678E-13 9.746421272075243E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.38   n/a MPCxxxxx  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-23 22:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin