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118740 (2000 QN137)
Classification: Main-belt Asteroid          SPK-ID: 2118740
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338440917266879 3.1507e-08  
a 2.608998697888931 1.3859e-08 au
q 2.259799636853876 8.0841e-08 au
i 8.392118104449981 3.9988e-06 deg
node 218.4462738444384 2.5938e-05 deg
peri 225.0525606404564 3.097e-05 deg
M 147.8918477769288 1.852e-05 deg
tp 2458368.159563439966
(2018-Sep-06.65956344)
7.6677e-05 TDB
period 1539.250206035527
4.21
1.2265e-05
3.358e-08
d
yr
n .233880105124177 1.8636e-09 deg/d
Q 2.958197758923987 1.5714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      7229 days (19.79 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:52:20  

Additional Information
 Earth MOID = 1.28405 au 
 Jupiter MOID = 2.3175 au 
 T_jup = 3.383 
[ 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 15.2   n/a MPO469228  
diameter diameter 2.495 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.284   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118740 (2000 QN137)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 QN137 = 2003 HH45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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