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160541 (1997 WM58)
Classification: Mars-crossing Asteroid          SPK-ID: 2160541
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2695981377763289 3.6563e-08  
a 2.26918651733721 1.1291e-08 au
q 1.657418057995945 8.5317e-08 au
i 7.894431359772135 4.07e-06 deg
node 114.0327393280395 3.1006e-05 deg
peri 303.47901786 3.1977e-05 deg
M 267.588696775639 1.1425e-05 deg
tp 2459520.998729846021
(2021-Nov-02.49872985)
4.1395e-05 TDB
period 1248.543616622776
3.42
9.3187e-06
2.551e-08
d
yr
n .2883359421385494 2.152e-09 deg/d
Q 2.880954976678475 1.4335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      8299 days (22.72 yr)  
   first obs. used      1997-11-26  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54588  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:47  

Additional Information
 Earth MOID = .684886 au 
 Jupiter MOID = 2.49771 au 
 T_jup = 3.553 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.87   n/a E2021B55  

160541 (1997 WM58)          Discovered 1997-Nov-26 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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