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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2730148704596591 1.1322e-08  
a 2.870768705678165 9.5703e-09 au
q 2.087006159377798 3.3094e-08 au
i 2.579645904606243 9.2504e-07 deg
node 83.04185791303858 3.1167e-05 deg
peri 211.4451351518839 3.6061e-05 deg
M 122.9457095625398 6.3335e-06 deg
tp 2458789.754437353715
(2019-Nov-02.25443735)
3.0087e-05 TDB
period 1776.624847909416
4.86
8.8841e-06
2.432e-08
d
yr
n .2026314111409721 1.0133e-09 deg/d
Q 3.654531251978533 1.2183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2495  
   data-arc span      18071 days (49.48 yr)  
   first obs. used      1971-10-13  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:58:59  

Additional Information
 Earth MOID = 1.07108 au 
 Jupiter MOID = 1.5673 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 13.34   n/a MPCxxxxx  
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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