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JPL Small-Body Database Browser
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71933 (2000 WW61)
Classification: Main-belt Asteroid          SPK-ID: 2071933
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065135685300905 3.4053e-08  
a 2.342113115695656 8.2685e-09 au
q 1.858434978272217 7.9522e-08 au
i 1.205596380657256 4.0038e-06 deg
node 261.5837849566061 0.00023133 deg
peri 180.5093184077529 0.00023164 deg
M 172.4369495548997 1.252e-05 deg
tp 2458373.398186408599
(2018-Sep-11.89818641)
4.4127e-05 TDB
period 1309.212749794259
3.58
6.933e-06
1.898e-08
d
yr
n .2749744073731129 1.4561e-09 deg/d
Q 2.825791253119094 9.976e-09 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      8236 days (22.55 yr)  
   first obs. used      1996-10-10  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:31:39  

Additional Information
 Earth MOID = .874355 au 
 Jupiter MOID = 2.41234 au 
 T_jup = 3.534 
[ 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 15.9   n/a MPO324931  
rotation period rot_per 3.37 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Stephens, R.D.; French, L.M.; James, D.; Rohl, D.; Warner, B.D. (2017) Minor Planet Bull. 44, 42-49.]

71933 (2000 WW61)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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