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152741 (1998 WT42)
Classification: Mars-crossing Asteroid          SPK-ID: 2152741
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3045818388262461 4.3697e-08  
a 2.366727839501769 8.0581e-09 au
q 1.645865522145052 1.0293e-07 au
i 2.388412393975887 4.5971e-06 deg
node 301.749189749341 0.00010716 deg
peri 45.27091521091072 0.00010736 deg
M 61.715464714902 7.4578e-06 deg
tp 2458972.511779566068
(2020-May-03.01177957)
2.6834e-05 TDB
period 1329.905879107759
3.64
6.792e-06
1.86e-08
d
yr
n .2706958482216245 1.3825e-09 deg/d
Q 3.087590156858486 1.0512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-11-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:27  

Additional Information
 Earth MOID = .638314 au 
 Jupiter MOID = 2.34747 au 
 T_jup = 3.482 
[ 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 MPO436772  

152741 (1998 WT42)          Discovered 1998-Nov-16 by NEAT at Haleakala
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1998 WT42 = 2005 MV22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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