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1454 Kalevala (1936 DO)
Classification: Main-belt Asteroid          SPK-ID: 2001454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428138622710268 2.808e-08  
a 2.364515924753653 5.828e-09 au
q 2.026830273138235 6.5616e-08 au
i 5.08980215271226 3.9686e-06 deg
node 352.5382656395703 3.4352e-05 deg
peri 134.5398881672237 3.7302e-05 deg
M 81.47828558366601 1.418e-05 deg
tp 2458699.926164442983
(2019-Aug-04.42616444)
5.206e-05 TDB
period 1328.041944248006
3.64
4.91e-06
1.344e-08
d
yr
n .2710757755500315 1.0022e-09 deg/d
Q 2.702201576369071 6.6603e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2774  
   data-arc span      30849 days (84.46 yr)  
   first obs. used      1936-02-20  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:34:44  

Additional Information
 Earth MOID = 1.04549 au 
 Jupiter MOID = 2.34804 au 
 T_jup = 3.530 
[ 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 12.7   n/a MPO319100  
diameter diameter 5.117 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.615   0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1454 Kalevala (1936 DO)          Discovered 1936-Feb-16 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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