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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07043105720481284 4.5613e-08  
a 3.004766366484667 3.0905e-08 au
q 2.793137494639688 1.3461e-07 au
i 4.43481724611962 4.804e-06 deg
node 57.65463474443225 7.0303e-05 deg
peri 11.53286023733909 8.0923e-05 deg
M 112.2876709612576 3.9807e-05 deg
tp 2458607.104751999773
(2019-May-03.60475200)
0.00020868 TDB
period 1902.45542944592
5.21
2.9351e-05
8.036e-08
d
yr
n .1892291374756927 2.9194e-09 deg/d
Q 3.216395238329646 3.3082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1997-10-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5643  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:43:18  

Additional Information
 Earth MOID = 1.8068 au 
 Jupiter MOID = 1.99831 au 
 T_jup = 3.243 
[ show covariance matrix ]

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 15.73   n/a E2021B55  

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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