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78230 (2002 OK14)
Classification: Main-belt Asteroid          SPK-ID: 2078230
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1153180779687383 4.0701e-08  
a 3.132219539621111 2.4312e-08 au
q 2.771018002535878 1.2692e-07 au
i 15.65893303399572 4.9326e-06 deg
node 170.2977455000102 1.4732e-05 deg
peri 203.8237498460056 2.4194e-05 deg
M 31.68149088278138 1.8168e-05 deg
tp 2458822.311435779997
(2019-Dec-04.81143578)		 0.00010226 TDB
period 2024.774760649441
5.54		 2.3574e-05
6.454e-08		 d
yr
n .1777975540768451 2.07e-09 deg/d
Q 3.493421076706344 2.7115e-08 au
   Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56121  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:40  

Additional Information
 Earth MOID = 1.77669 au 
 Jupiter MOID = 1.97828 au 
 T_jup = 3.145 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457148.5 (2015-May-06.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1154211861247591 4.1501e-08  
q 2.769269808424357 1.2935e-07 au
tp 2456778.175305428029
(2014-Apr-30.67530543)		 0.00010428 TDB
node 170.4621480547766 1.4669e-05 deg
peri 200.6990957564707 2.4087e-05 deg
i 15.693680295332 4.9448e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56121  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:40  

Additional Information
 Jupiter MOID = 1.97828 au 
 T_jup = 3.145 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.722322959385409E-15 -5.296834756715651E-15 -9.452843148133522E-13 5.021224313627036E-15 -1.910646892100161E-13 -1.804814618914085E-15
q -5.296834756715651E-15 1.67309060421644E-14 2.497037249411609E-12 -1.836070605901287E-14 5.297297046954516E-13 7.809891358738006E-15
tp -9.452843148133522E-13 2.497037249411609E-12 1.08741166346875E-8 -2.047162732951749E-12 2.00804905647751E-9 -1.461036697281409E-13
node 5.021224313627036E-15 -1.836070605901287E-14 -2.047162732951749E-12 2.151734173468175E-10 -2.07298057940768E-10 -1.238509412286172E-12
peri -1.910646892100161E-13 5.297297046954516E-13 2.00804905647751E-9 -2.07298057940768E-10 5.8018865499449E-10 1.215135777870631E-12
i -1.804814618914085E-15 7.809891358738006E-15 -1.461036697281409E-13 -1.238509412286172E-12 1.215135777870631E-12 2.445148336183432E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO453202  
diameter diameter 7.794 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78230 (2002 OK14)          Discovered 2002-Jul-18 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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