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JPL Small-Body Database Browser
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109495 (2001 QX228)
Classification: Main-belt Asteroid          SPK-ID: 2109495
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08897870008039452 4.8238e-08  
a 3.094752242788843 2.4049e-08 au
q 2.819385211154606 1.512e-07 au
i 7.682852315847751 5.107e-06 deg
node 222.1881754351558 4.0821e-05 deg
peri 93.31449827691777 5.0178e-05 deg
M 109.6777775506409 2.8926e-05 deg
tp 2457994.666342501363
(2017-Aug-29.16634250)
0.00015962 TDB
period 1988.553393132053
5.44
2.3179e-05
6.346e-08
d
yr
n .1810361246740201 2.1102e-09 deg/d
Q 3.37011927442308 2.6189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1996-10-05  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54516  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:43:09  

Additional Information
 Earth MOID = 1.81896 au 
 Jupiter MOID = 1.88178 au 
 T_jup = 3.204 
[ 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 MPO432617  
diameter diameter 4.251 km 0.646 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109495 (2001 QX228)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QX228 = 2002 XM13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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