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160181 (2001 WH88)
Classification: Main-belt Asteroid          SPK-ID: 2160181
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 .09270411659952707 3.9707e-08  
a 2.720906984363008 1.8082e-08 au
q 2.468667706028152 1.0585e-07 au
i 3.235788961251453 5.3384e-06 deg
node 8.30767103794247 8.0049e-05 deg
peri 69.13184943913184 8.69e-05 deg
M 76.00699672928975 3.2908e-05 deg
tp 2458854.385302373407
(2020-Jan-05.88530237)
0.00014892 TDB
period 1639.339751698905
4.49
1.6341e-05
4.474e-08
d
yr
n .219600604223084 2.189e-09 deg/d
Q 2.973146262697864 1.9758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      8941 days (24.48 yr)  
   first obs. used      1996-09-21  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:16  

Additional Information
 Earth MOID = 1.48579 au 
 Jupiter MOID = 2.22477 au 
 T_jup = 3.350 
[ 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 16.6   n/a MPO454059  

160181 (2001 WH88)          Discovered 2001-Nov-19 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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