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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06530332846874615 5.7244e-08  
a 3.229265895831887 3.4713e-08 au
q 3.018384084323458 1.9325e-07 au
i 9.427118947303043 5.7029e-06 deg
node 300.9733114923133 3.6251e-05 deg
peri 53.16639946852131 5.5983e-05 deg
M 358.5629553972408 4.0976e-05 deg
tp 2458608.961003662957
(2019-May-05.46100366)
0.00024124 TDB
period 2119.601098543559
5.80
3.4177e-05
9.357e-08
d
yr
n .1698432786468014 2.7386e-09 deg/d
Q 3.440147707340317 3.698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1998-01-29  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:15:39  

Additional Information
 Earth MOID = 2.02237 au 
 Jupiter MOID = 1.91694 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

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