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193905 (2001 QN247)
Classification: Main-belt Asteroid          SPK-ID: 2193905
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230615896088018 4.3753e-08  
a 2.328237626395468 9.5794e-09 au
q 1.808897240464671 1.0378e-07 au
i 2.7361936425694 5.4452e-06 deg
node 112.2514225939243 0.00011933 deg
peri 287.6304212391426 0.00012046 deg
M 77.8681585766174 1.6582e-05 deg
tp 2458719.829488537935
(2019-Aug-24.32948854)
5.8826e-05 TDB
period 1297.59565364481
3.55
8.0083e-06
2.193e-08
d
yr
n .2774361943867474 1.7122e-09 deg/d
Q 2.847578012326264 1.1716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      9178 days (25.13 yr)  
   first obs. used      1994-12-03  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:29  

Additional Information
 Earth MOID = .81922 au 
 Jupiter MOID = 2.57027 au 
 T_jup = 3.538 
[ 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 16.8   n/a MPO454348  

193905 (2001 QN247)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ 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
2165-Aug-20 10:01 00:02 Iris 0.0149968478579008 0.0149708379167295 0.0150228734367099 3.25454672968106 3.25454661189808 2512041.917231662 1.74351025104205 1504.33504308955 26.1746250317731 -30.4914362735342 43471.269147588 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 22:11:47 2020-Feb-24 22:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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