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160175 (2001 WN28)
Classification: Main-belt Asteroid          SPK-ID: 2160175
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2498150606563185 6.043e-08  
a 2.748341474764703 1.4282e-08 au
q 2.061764382542083 1.679e-07 au
i 9.939895847334716 5.1239e-06 deg
node 83.12841854070481 3.2511e-05 deg
peri 90.72611407190327 3.4063e-05 deg
M 342.2226363029164 1.1419e-05 deg
tp 2459282.680602562804
(2021-Mar-09.18060256)
5.3145e-05 TDB
period 1664.195964414181
4.56
1.2972e-05
3.552e-08
d
yr
n .2163206783924181 1.6862e-09 deg/d
Q 3.434918566987324 1.785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      7006 days (19.18 yr)  
   first obs. used      2001-11-17  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:01:05  

Additional Information
 Earth MOID = 1.09491 au 
 Jupiter MOID = 1.65038 au 
 T_jup = 3.280 
[ 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 MPO251329  

160175 (2001 WN28)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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