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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2158874961753079 4.3141e-08  
a 2.408420822359462 1.1621e-08 au
q 1.888472881283802 1.0525e-07 au
i 3.090100436356261 4.4777e-06 deg
node 127.7548214854454 8.0433e-05 deg
peri 205.0814822920322 8.1088e-05 deg
M 341.8555115867453 1.5102e-05 deg
tp 2459069.308044221889
(2020-Aug-07.80804422)
5.7625e-05 TDB
period 1365.202223160201
3.74
9.8809e-06
2.705e-08
d
yr
n .2636971973036082 1.9086e-09 deg/d
Q 2.928368763435123 1.413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1414  
   data-arc span      10906 days (29.86 yr)  
   first obs. used      1990-07-27  
   last obs. used      2020-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54706  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:40:22  

Additional Information
 Earth MOID = .878615 au 
 Jupiter MOID = 2.44092 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456179.5 (2012-Sep-09.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142351733332305 4.2776e-08  
q 1.892595567959764 1.0417e-07 au
tp 2456337.899700958961
(2013-Feb-14.39970096)
4.6771e-05 TDB
node 127.7922514821436 8.0543e-05 deg
peri 204.8272658034941 8.1218e-05 deg
i 3.086562725176673 4.4722e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1414  
   data-arc span      10906 days (29.86 yr)  
   first obs. used      1990-07-27  
   last obs. used      2020-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54706  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:40:22  

Additional Information
 Jupiter MOID = 2.44092 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.829799642389318E-15 -4.439457286796397E-15 1.170735509290902E-13 -4.196068435875419E-15 3.946837495282761E-14 7.374758150401807E-16
q -4.439457286796397E-15 1.085169426365114E-14 -8.29726550099483E-14 9.052231441398662E-15 -5.479389289791449E-14 -1.672469515992678E-15
tp 1.170735509290902E-13 -8.29726550099483E-14 2.187544043974696E-9 -1.17817263060263E-11 5.094281691034365E-10 5.262949384412441E-13
node -4.196068435875419E-15 9.052231441398662E-15 -1.17817263060263E-11 6.487140071554055E-9 -6.479950687421593E-9 7.165507015291276E-11
peri 3.946837495282761E-14 -5.479389289791449E-14 5.094281691034365E-10 -6.479950687421593E-9 6.596322863118569E-9 -7.144714588357856E-11
i 7.374758150401807E-16 -1.672469515992678E-15 5.262949384412441E-13 7.165507015291276E-11 -7.144714588357856E-11 2.000080137434194E-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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