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109427 (2001 QN195)
Classification: Main-belt Asteroid          SPK-ID: 2109427
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040792882763677 5.9219e-08  
a 3.128617375809912 3.389e-08 au
q 2.802993106046539 1.9299e-07 au
i 24.82626402147515 7.2733e-06 deg
node 244.7321527281232 1.3896e-05 deg
peri 331.7929247046961 3.5129e-05 deg
M 273.7986262767121 3.4756e-05 deg
tp 2459484.492679007680
(2021-Sep-26.99267901)
0.00019819 TDB
period 2021.282920642057
5.53
3.2843e-05
8.992e-08
d
yr
n .1781047058398171 2.8939e-09 deg/d
Q 3.454241645573285 3.7418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      10282 days (28.15 yr)  
   first obs. used      1991-12-07  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:25:41  

Additional Information
 Earth MOID = 1.80859 au 
 Jupiter MOID = 1.62 au 
 T_jup = 3.063 
[ 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 14.4   n/a MPO351622  
diameter diameter 7.866 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109427 (2001 QN195)          Discovered 2001-Aug-22 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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