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259101 (2002 WS)
Classification: Mars-crossing Asteroid          SPK-ID: 2259101
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3874924918491394 4.0315e-08  
a 2.60845335982463 1.2324e-08 au
q 1.597697267553924 1.03e-07 au
i 29.37936601050494 8.7068e-06 deg
node 6.304769303000016 7.8733e-06 deg
peri 111.8524134538887 1.3497e-05 deg
M 35.68368364214193 6.5371e-06 deg
tp 2458847.975285695052
(2019-Dec-30.47528569)
2.8087e-05 TDB
period 1538.767625574805
4.21
1.0905e-05
2.986e-08
d
yr
n .2339534534108243 1.658e-09 deg/d
Q 3.619209452095336 1.7099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      7763 days (21.25 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:12:25  

Additional Information
 Earth MOID = .77566 au 
 Jupiter MOID = 2.01897 au 
 T_jup = 3.132 
[ 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 MPO503200  

259101 (2002 WS)          Discovered 2002-Nov-20 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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