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469745 (2005 OQ2)
Classification: Main-belt Asteroid          SPK-ID: 2469745
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2978864881192232 1.3882e-07  
a 3.14893337570183 8.5575e-08 au
q 2.210908671092601 4.3378e-07 au
i 24.01548573680314 1.563e-05 deg
node 266.5875549224675 4.1129e-05 deg
peri 99.45467159918744 5.0894e-05 deg
M 207.9464181240518 4.9793e-05 deg
tp 2459862.560585996074
(2022-Oct-10.06058600)
0.00031122 TDB
period 2041.002961783411
5.59
8.32e-05
2.278e-07
d
yr
n .1763838694704466 7.1901e-09 deg/d
Q 4.086958080311059 1.1107e-07 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      6605 days (18.08 yr)  
   first obs. used      2000-12-06  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61644  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:22:11  

Additional Information
 Earth MOID = 1.35252 au 
 Jupiter MOID = 2.06841 au 
 T_jup = 3.009 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457196.5 (2015-Jun-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .297160815208467 1.3857e-07  
q 2.21415387648769 4.3288e-07 au
tp 2457821.907552607846
(2017-Mar-09.40755261)
0.00024607 TDB
node 266.5917523378288 4.1113e-05 deg
peri 99.68691225591033 5.0965e-05 deg
i 24.01427836005129 1.5627e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      6605 days (18.08 yr)  
   first obs. used      2000-12-06  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61644  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:22:11  

Additional Information
 Jupiter MOID = 2.06841 au 
 T_jup = 3.009 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.920180697676591E-14 -5.941755019333096E-14 -5.85650253261554E-13 9.212609112983166E-14 -1.114981813364305E-12 4.123387168260144E-14
q -5.941755019333096E-14 1.873820227488644E-13 1.248074950917363E-11 -1.915094285112825E-13 4.621563868629325E-12 -1.076333410565249E-13
tp -5.85650253261554E-13 1.248074950917363E-11 6.055234690835237E-8 3.800538449531297E-10 7.832162177070875E-9 5.808488114093457E-11
node 9.212609112983166E-14 -1.915094285112825E-13 3.800538449531297E-10 1.690298875377552E-9 -1.494469687508042E-9 3.010860272446993E-10
peri -1.114981813364305E-12 4.621563868629325E-12 7.832162177070875E-9 -1.494469687508042E-9 2.597471646018206E-9 -2.685420690501375E-10
i 4.123387168260144E-14 -1.076333410565249E-13 5.808488114093457E-11 3.010860272446993E-10 -2.685420690501375E-10 2.442186523055358E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO382968  

469745 (2005 OQ2)          Discovered 2005-Jul-29 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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