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JPL Small-Body Database Browser
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13946 (1990 OK3)
Classification: Main-belt Asteroid          SPK-ID: 2013946
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .215887505326117 4.3508e-08  
a 2.408420821256136 1.2792e-08 au
q 1.888472858379671 1.06e-07 au
i 3.090098786567247 4.5687e-06 deg
node 127.7549094916226 8.1661e-05 deg
peri 205.0813835436781 8.241e-05 deg
M 341.8555192720323 1.6895e-05 deg
tp 2459069.308015030242
(2020-Aug-07.80801503)
6.4483e-05 TDB
period 1365.202222222078
3.74
1.0877e-05
2.978e-08
d
yr
n .2636971974848124 2.1009e-09 deg/d
Q 2.928368784132601 1.5554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      10515 days (28.79 yr)  
   first obs. used      1990-07-27  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54948  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:12:34  

Additional Information
 Earth MOID = .878615 au 
 Jupiter MOID = 2.44092 au 
 T_jup = 3.487 
[ 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 14.6   n/a MPO473956  
diameter diameter 3.297 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.282   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13946 (1990 OK3)          Discovered 1990-Jul-27 by Holt, H. E. at Palomar
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 OK3 = 1994 TM1 = 2000 CR34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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