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JPL Small-Body Database Browser
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71894 (2000 WS9)
Classification: Main-belt Asteroid          SPK-ID: 2071894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590468262321345 2.9543e-08  
a 2.353461535717877 9.3711e-09 au
q 1.979150947802543 6.9291e-08 au
i 5.896731564835031 3.4015e-06 deg
node 100.8691260595972 4.5118e-05 deg
peri 7.371748144478495 4.767e-05 deg
M 22.24608338439864 1.6088e-05 deg
tp 2458519.008906792975
(2019-Feb-04.50890679)
5.8713e-05 TDB
period 1318.73971015963
3.61
7.8765e-06
2.156e-08
d
yr
n .2729879120394599 1.6305e-09 deg/d
Q 2.727772123633211 1.0862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      10747 days (29.42 yr)  
   first obs. used      1989-11-28  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5308  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:24:14  

Additional Information
 Earth MOID = .996307 au 
 Jupiter MOID = 2.39344 au 
 T_jup = 3.532 
[ 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 15.1   n/a MPO422161  

71894 (2000 WS9)          Discovered 2000-Nov-20 by Yeung, W. K. Y. at Desert Beaver
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WS9 = 1989 WA4 = 1998 HV116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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