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266220 (2006 WU198)
Classification: Main-belt Asteroid          SPK-ID: 2266220
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08599036673052322 3.7116e-08  
a 2.407603411862627 1.8151e-08 au
q 2.200572711534901 9.1611e-08 au
i 5.356879117303787 4.3524e-06 deg
node 272.0555994616589 5.7942e-05 deg
peri 176.7043947192431 7.0532e-05 deg
M 209.4235103755003 4.2505e-05 deg
tp 2459571.229760814535
(2021-Dec-22.72976081)
0.00016511 TDB
period 1364.507264086216
3.74
1.5431e-05
4.225e-08
d
yr
n .2638315012863526 2.9836e-09 deg/d
Q 2.614634112190354 1.9712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      8977 days (24.58 yr)  
   first obs. used      1995-12-31  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 18:07:11  

Additional Information
 Earth MOID = 1.21707 au 
 Jupiter MOID = 2.53545 au 
 T_jup = 3.511 
[ 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 17.0   n/a MPO433728  

266220 (2006 WU198)          Discovered 2006-Nov-20 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2114-Feb-15 23:03 < 00:01 Juno 0.0123808479271025 0.0123419066691921 0.0124197893896636 5.91943076230235 5.91943059629946 2493228.460634598 0.697419744696295 1942.57838170687 75.6446005040888 2.33272999558478 1376.95205580726 T 12 CATAB v2.0f-lin.ifort 2020-Aug-25 18:07:14 2020-Aug-25 18:07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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