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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2158875039848581 4.2658e-08  
a 2.408420804886276 6.3503e-09 au
q 1.888472848774175 1.0298e-07 au
i 3.090097266324585 3.9983e-06 deg
node 127.7549012707914 6.4387e-05 deg
peri 205.0813895284022 6.4793e-05 deg
M 341.8555363776209 6.2116e-06 deg
tp 2459069.307949460419
(2020-Aug-07.80794946)
2.3492e-05 TDB
period 1365.202208303308
3.74
5.3994e-06
1.478e-08
d
yr
n .2636972001733083 1.0429e-09 deg/d
Q 2.928368760998377 7.7212e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1787  
   data-arc span      11047 days (30.25 yr)  
   first obs. used      1990-07-27  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:43:05  

Additional Information
 Earth MOID = .878615 au 
 Jupiter MOID = 2.44092 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457131.5 (2015-Apr-19.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2152337260589344 4.2556e-08  
q 1.890285824434436 1.0263e-07 au
tp 2457705.660041958247
(2016-Nov-13.16004196)
2.5479e-05 TDB
node 127.7776302885674 6.4415e-05 deg
peri 205.2610114893274 6.4827e-05 deg
i 3.089267185984637 3.9969e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1787  
   data-arc span      11047 days (30.25 yr)  
   first obs. used      1990-07-27  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:43:05  

Additional Information
 Jupiter MOID = 2.44092 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.811004760671181E-15 -4.362340623415398E-15 2.920170249991525E-13 2.050300627121037E-14 4.824668895238984E-14 -1.671100854525082E-15
q -4.362340623415398E-15 1.053342413497097E-14 -7.614789622008833E-13 -4.952381650339404E-14 -1.344299973046057E-13 4.075410212044749E-15
tp 2.920170249991525E-13 -7.614789622008833E-13 6.492001287816968E-10 4.223480314261127E-12 1.965218122964833E-10 -4.402525733685827E-13
node 2.050300627121037E-14 -4.952381650339404E-14 4.223480314261127E-12 4.149258640925658E-9 -4.14197178930868E-9 1.307468553376785E-10
peri 4.824668895238984E-14 -1.344299973046057E-13 1.965218122964833E-10 -4.14197178930868E-9 4.202475530154133E-9 -1.306925340908697E-10
i -1.671100854525082E-15 4.075410212044749E-15 -4.402525733685827E-13 1.307468553376785E-10 -1.306925340908697E-10 1.597525070189099E-11

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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