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109446 (2001 QS204)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109446
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06566381913943166 5.6441e-08  
a 3.230712363369823 3.4305e-08 au
q 3.018571451049981 1.8998e-07 au
i 9.427129540912823 5.5921e-06 deg
node 300.9667994704927 3.5978e-05 deg
peri 53.38276001506286 5.5516e-05 deg
M 66.26632235048058 4.041e-05 deg
tp 2458610.076243845862
(2019-May-06.57624385)
0.00023901 TDB
period 2121.025390123679
5.81
3.3783e-05
9.249e-08
d
yr
n .169729227040987 2.7034e-09 deg/d
Q 3.442853275689664 3.6558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8292 days (22.70 yr)  
   first obs. used      1998-01-29  
   last obs. used      2020-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:02  

Additional Information
 Earth MOID = 2.02361 au 
 Jupiter MOID = 1.91813 au 
 T_jup = 3.162 
[ 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 14.8   n/a MPO453554  

109446 (2001 QS204)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2039-Feb-16 15:13 00:01 Jupiter 1.99220348227434 1.99220291198341 1.99220405256526 3.86871300196101 3.75720680035294 2465836.134286950 1.26050406829906 132.297580448458 25.6124509408411 -86.9307031047413 2876937.96541154 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 19:12:03 2020-Nov-12 19:12
2050-Jun-29 19:14 00:02 Jupiter 1.9577222623512 1.9577217567065 1.9577227679959 4.07748122543001 3.96995451647114 2469987.301455427 1.83887639219545 116.815844813958 22.9988722120252 -88.1147057369033 2887002.37342385 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 19:12:03 2020-Nov-12 19:12
2061-Nov-03 22:11 00:02 Jupiter 1.95605942007626 1.95605893511992 1.95605990503327 4.25331256331458 4.15025515822735 2474132.424215872 2.46596651860557 147.820062907103 19.6500068202258 -86.3193923898304 3112600.01957799 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 19:12:03 2020-Nov-12 19:12
2073-Feb-27 23:48 00:03 Jupiter 1.98522287129361 1.98522219587477 1.98522354671674 4.37608660192227 4.27747665890213 2478266.491845855 3.15697050399111 190.44897077829 18.3249200223526 -82.1068231700637 3484211.7291698 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 19:12:03 2020-Nov-12 19:12

Alternate Designations
 2001 QS204 = 1998 BV37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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