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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332876193086492 3.144e-08  
a 2.610260666780858 1.3817e-08 au
q 2.26234523673063 8.0666e-08 au
i 8.388748630025841 3.9292e-06 deg
node 218.4248751599759 2.4877e-05 deg
peri 225.0828967162036 2.984e-05 deg
M 194.6471141466147 1.8461e-05 deg
tp 2459908.011533308941
(2022-Nov-24.51153331)
8.2303e-05 TDB
period 1540.367140716607
4.22
1.2231e-05
3.349e-08
d
yr
n .2337105164633163 1.8557e-09 deg/d
Q 2.958176096831086 1.5659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      7261 days (19.88 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:09:15  

Additional Information
 Earth MOID = 1.28619 au 
 Jupiter MOID = 2.31736 au 
 T_jup = 3.382 
[ 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 15.24   n/a E2021B55  
diameter diameter 2.495 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31.833 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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