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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456668.5 (2014-Jan-11.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299773952413512 1.0495e-07  
q 3.474169538680344 3.6559e-07 au
tp 2456909.617701666386
(2014-Sep-09.11770167)
0.00049611 TDB
node 326.7630981260846 0.00027331 deg
peri 152.4390231615583 0.00028266 deg
i 1.859515099581618 1.1124e-05 deg
  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
 Jupiter MOID = .597075 au 
 T_jup = 3.040 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.101394078023211E-14 -3.666798268084982E-14 1.122501933114202E-11 -3.431272502524425E-14 1.363023374539276E-12 -2.897595490728968E-15
q -3.666798268084982E-14 1.336573435807731E-13 -2.948359173853809E-11 1.406704031237022E-13 -3.543614337142758E-12 7.21477542611138E-15
tp 1.122501933114202E-11 -2.948359173853809E-11 2.461263134568483E-7 7.360735212442008E-11 3.584814207999708E-8 5.693311588436509E-12
node -3.431272502524425E-14 1.406704031237022E-13 7.360735212442008E-11 7.469593830272868E-8 -7.464369760498374E-8 2.637891025256283E-10
peri 1.363023374539276E-12 -3.543614337142758E-12 3.584814207999708E-8 -7.464369760498374E-8 7.989511228148511E-8 -2.628112911488847E-10
i -2.897595490728968E-15 7.21477542611138E-15 5.693311588436509E-12 2.637891025256283E-10 -2.628112911488847E-10 1.237467309570827E-10

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

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