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18187 (2000 QQ53)
Classification: Main-belt Asteroid          SPK-ID: 2018187
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2731476192621965 1.1331e-08  
a 2.870192972483241 9.5772e-09 au
q 2.086206595226357 3.3107e-08 au
i 2.579802880406838 9.2539e-07 deg
node 83.04085330282059 3.1177e-05 deg
peri 211.406851946628 3.6072e-05 deg
M 83.26059812451972 6.2491e-06 deg
tp 2458789.726803390753
(2019-Nov-02.22680339)
3.007e-05 TDB
period 1776.090421043707
4.86
8.8897e-06
2.434e-08
d
yr
n .2026923830761097 1.0145e-09 deg/d
Q 3.654179349740125 1.2193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2473  
   data-arc span      18020 days (49.34 yr)  
   first obs. used      1971-10-13  
   last obs. used      2021-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 01:51:37  

Additional Information
 Earth MOID = 1.06872 au 
 Jupiter MOID = 1.56837 au 
 T_jup = 3.240 
[ 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 13.33   n/a E2021B10  
diameter diameter 5.828 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 67.104 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.359   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18187 (2000 QQ53)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QQ53 = 1971 TE2 = 1999 GZ22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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