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423601 (2005 WP28)
Classification: Outer Main-belt Asteroid          SPK-ID: 2423601
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131500791856478 1.0304e-07  
a 3.982513868236653 1.4998e-07 au
q 3.458810140984128 3.5536e-07 au
i 1.856041113834361 1.1154e-05 deg
node 326.5229139804705 0.00027367 deg
peri 148.9363056146535 0.00028333 deg
M 262.2933767835102 6.8914e-05 deg
tp 2459788.372379145918
(2022-Jul-27.87237915)
0.00058183 TDB
period 2902.915351644883
7.95
0.00016399
4.49e-07
d
yr
n .1240132612878335 7.0057e-09 deg/d
Q 4.506217595489179 1.6971e-07 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      3814 days (10.44 yr)  
   first obs. used      2005-11-21  
   last obs. used      2016-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55557  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 15:29:45  

Additional Information
 Earth MOID = 2.47538 au 
 Jupiter MOID = .597075 au 
 T_jup = 3.040 
[ 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 15.7   n/a MPO495145  

423601 (2005 WP28)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

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