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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419865619530636 1.4305e-08  
a 2.366721664930695 5.5793e-09 au
q 2.030678992627355 3.3397e-08 au
i 5.091231511825544 6.6431e-07 deg
node 352.4982247947161 1.8376e-06 deg
peri 134.8973290058499 4.6567e-06 deg
M 188.408138674796 4.4795e-06 deg
tp 2460030.389255976084
(2023-Mar-26.88925598)
1.7491e-05 TDB
period 1329.900674711496
3.64
4.7027e-06
1.288e-08
d
yr
n .2706969075552181 9.5721e-10 deg/d
Q 2.702764337234036 6.3715e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2953  
   data-arc span      31172 days (85.34 yr)  
   first obs. used      1936-02-20  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:23:58  

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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