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308820 (2006 QK164)
Classification: Main-belt Asteroid          SPK-ID: 2308820
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010053683933421 3.9765e-08  
a 2.561579476981207 2.122e-08 au
q 2.302846198239895 1.0523e-07 au
i 10.73513086958534 5.6359e-06 deg
node 261.1663403272289 3.8097e-05 deg
peri 141.5649513842231 5.7033e-05 deg
M 86.02986853113416 4.3696e-05 deg
tp 2458642.645124972537
(2019-Jun-08.14512497)
0.00018038 TDB
period 1497.47706476227
4.10
1.8607e-05
5.094e-08
d
yr
n .2404043497368365 2.9872e-09 deg/d
Q 2.820312755722518 2.3363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59308  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:59:56  

Additional Information
 Earth MOID = 1.32307 au 
 Jupiter MOID = 2.52806 au 
 T_jup = 3.403 
[ 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 16.0   n/a MPO450235  

308820 (2006 QK164)          Discovered 2006-Aug-29 by LONEOS at Anderson Mesa
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ 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
2189-Dec-03 08:37 00:39 Hygie 0.0212751395529104 0.0212722072233277 0.021278258999583 3.12955919387302 3.12955861358062 2520912.859087867 39.1861883305994 3499.24759105451 66.2702799778617 87.7946008975173 47849.1352915121 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 18:59:57 2020-Nov-11 18:59
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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