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109228 (2001 QN92)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109228
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05678405251126108 3.9105e-08  
a 3.202035701552606 3.2009e-08 au
q 3.02021113813271 1.2213e-07 au
i 7.095410091164746 5.6916e-06 deg
node 13.70161262658591 3.7098e-05 deg
peri 245.1775991871671 6.5691e-05 deg
M 157.4961986613855 5.5531e-05 deg
tp 2458084.901111151672
(2017-Nov-27.40111115)
0.00032162 TDB
period 2092.847972121961
5.73
3.1382e-05
8.592e-08
d
yr
n .172014405630712 2.5793e-09 deg/d
Q 3.383860264972502 3.3827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      16922 days (46.33 yr)  
   first obs. used      1973-09-29  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:21:50  

Additional Information
 Earth MOID = 2.01467 au 
 Jupiter MOID = 1.66446 au 
 T_jup = 3.179 
[ 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 14.7   n/a MPO453551  
diameter diameter 4.711 km 0.925 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109228 (2001 QN92)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QN92 = 2171 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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