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109025 (2001 QC9)
Classification: Main-belt Asteroid          SPK-ID: 2109025
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03832933523751431 3.9759e-08  
a 2.940628505848793 2.2454e-08 au
q 2.827916170039124 1.2135e-07 au
i 2.515117630290893 5.4816e-06 deg
node 20.34371518647509 9.907e-05 deg
peri 267.3482710247105 0.00012341 deg
M 299.4470549286737 7.4277e-05 deg
tp 2459310.307153084573
(2021-Apr-05.80715308)
0.00038006 TDB
period 1841.868714710287
5.04
2.1096e-05
5.776e-08
d
yr
n .1954536700280646 2.2387e-09 deg/d
Q 3.053340841658462 2.3315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      7296 days (19.98 yr)  
   first obs. used      2000-05-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:00:03  

Additional Information
 Earth MOID = 1.81306 au 
 Jupiter MOID = 2.00432 au 
 T_jup = 3.270 
[ 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 15.2   n/a MPO432614  
diameter diameter 3.248 km 0.524 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109025 (2001 QC9)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QC9 = 2000 JW38 = 2002 XY8 = 2004 BY160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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