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243362 (2008 WP45)
Classification: Main-belt Asteroid          SPK-ID: 2243362
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 .07034670930623928 4.5669e-08  
a 3.0054207625737 3.1667e-08 au
q 2.793999301845992 1.3529e-07 au
i 4.434609558576298 4.8528e-06 deg
node 57.66121245969781 7.2288e-05 deg
peri 11.70271915939147 8.3403e-05 deg
M 74.27792535393664 4.0764e-05 deg
tp 2458607.842755422738
(2019-May-04.34275542)
0.00021476 TDB
period 1903.076955559082
5.21
3.0078e-05
8.235e-08
d
yr
n .1891673371107791 2.9898e-09 deg/d
Q 3.216842223301408 3.3895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      8244 days (22.57 yr)  
   first obs. used      1997-10-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56664  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:48:08  

Additional Information
 Earth MOID = 1.80827 au 
 Jupiter MOID = 1.99749 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457383.5 (2015-Dec-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06998290025712861 4.5633e-08  
q 2.794975245202205 1.3522e-07 au
tp 2456710.709908682035
(2014-Feb-22.20990868)
0.00021496 TDB
node 57.67388362136113 7.2291e-05 deg
peri 12.75821965673554 8.3506e-05 deg
i 4.434820438981863 4.8523e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      8244 days (22.57 yr)  
   first obs. used      1997-10-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56664  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:48:08  

Additional Information
 Jupiter MOID = 1.99749 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.082400518257575E-15 -6.02821182690342E-15 -5.196830333821961E-14 2.779383203132873E-16 -4.885569088703143E-14 -9.250286550266617E-16
q -6.02821182690342E-15 1.828477008690909E-14 -2.057486374230338E-13 1.558563348983456E-15 1.279290879094759E-13 3.36590382579086E-15
tp -5.196830333821961E-14 -2.057486374230338E-13 4.620909479474381E-8 2.32381429763966E-11 9.021104560260416E-9 -9.927111360546124E-12
node 2.779383203132873E-16 1.558563348983456E-15 2.32381429763966E-11 5.225970130832834E-9 -5.205148312140975E-9 1.114392373086996E-11
peri -4.885569088703143E-14 1.279290879094759E-13 9.021104560260416E-9 -5.205148312140975E-9 6.973234771754747E-9 -1.297484179208724E-11
i -9.250286550266617E-16 3.36590382579086E-15 -9.927111360546124E-12 1.114392373086996E-11 -1.297484179208724E-11 2.354526576821543E-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 15.6   n/a MPO470595  

243362 (2008 WP45)          Discovered 2008-Nov-17 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 WP45 = 1997 TX5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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