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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419865623018605 1.4268e-08  
a 2.366721664574554 5.4775e-09 au
q 2.030678991496276 3.3232e-08 au
i 5.091231485627461 6.6358e-07 deg
node 352.4982248491328 1.8345e-06 deg
peri 134.8973291348849 4.6027e-06 deg
M 188.4081386459442 4.4707e-06 deg
tp 2460030.389255939587
(2023-Mar-26.88925594)
1.748e-05 TDB
period 1329.900674411313
3.64
4.6168e-06
1.264e-08
d
yr
n .2706969076163194 9.3974e-10 deg/d
Q 2.702764337652832 6.2552e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3029  
   data-arc span      31217 days (85.47 yr)  
   first obs. used      1936-02-20  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42007  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:41:47  

Additional Information
 Earth MOID = 1.0498 au 
 Jupiter MOID = 2.34538 au 
 T_jup = 3.528 
[ 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 12.79   n/a E2021B10  
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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