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JPL Small-Body Database Browser
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109581 (2001 QO274)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109581
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 .09171029309541454 9.163e-08  
a 3.349277216699829 4.4718e-08 au
q 3.042114021498493 2.9139e-07 au
i 12.03400958484337 6.6758e-06 deg
node 356.816073847488 2.8045e-05 deg
peri 29.78755365084655 4.6813e-05 deg
M 266.6826790455047 3.5722e-05 deg
tp 2459180.843107735098
(2020-Nov-27.34310774)
0.00022386 TDB
period 2238.850372553165
6.13
4.4839e-05
1.228e-07
d
yr
n .160796810904991 3.2204e-09 deg/d
Q 3.656440411901164 4.882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      5755 days (15.76 yr)  
   first obs. used      2001-07-26  
   last obs. used      2017-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62348  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:18:21  

Additional Information
 Earth MOID = 2.05062 au 
 Jupiter MOID = 1.8403 au 
 T_jup = 3.116 
[ 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 14.2   n/a MPO400984  
diameter diameter 8.549 km 0.287 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109581 (2001 QO274)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QO274 = 2002 TQ294 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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