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226409 (2003 QM85)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226409
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331937601424321 4.3852e-08  
a 3.218505868206992 3.6271e-08 au
q 2.78982096958002 1.4494e-07 au
i 5.870041380864053 4.9397e-06 deg
node 154.6773681354361 4.9769e-05 deg
peri 211.0626275146984 5.3902e-05 deg
M 314.9515956699399 2.2928e-05 deg
tp 2459264.410577114397
(2021-Feb-18.91057711)
0.0001369 TDB
period 2109.016050048761
5.77
3.5651e-05
9.761e-08
d
yr
n .1706957137626699 2.8855e-09 deg/d
Q 3.647190766833964 4.1102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      8031 days (21.99 yr)  
   first obs. used      1997-08-01  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:53:30  

Additional Information
 Earth MOID = 1.78986 au 
 Jupiter MOID = 1.81278 au 
 T_jup = 3.167 
[ 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 15.3   n/a MPO440182  
diameter diameter 4.614 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226409 (2003 QM85)          Discovered 2003-Aug-24 by Buie, M. W. at Cerro Tololo
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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