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18219 (6260 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2018219
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0464674502516357 2.0556e-08  
a 3.18213379790072 1.7142e-08 au
q 3.03426815395272 6.7565e-08 au
i 16.2197716068341 5.5239e-07 deg
node 353.4582528048442 3.6001e-06 deg
peri 173.5180855657854 1.7572e-05 deg
M 96.66881022894626 1.8288e-05 deg
tp 2458839.750348303703
(2019-Dec-22.25034830)
0.00010388 TDB
period 2073.366519521419
5.68
1.6754e-05
4.587e-08
d
yr
n .1736306613473706 1.403e-09 deg/d
Q 3.329999441848721 1.7939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2200  
   data-arc span      22184 days (60.74 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:35:09  

Additional Information
 Earth MOID = 2.04146 au 
 Jupiter MOID = 1.63925 au 
 T_jup = 3.135 
[ 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 12.14   n/a E2021B10  
diameter diameter 22.669 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.710 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Clark, M. (2015) Minor Planet Bull. 42, 15-20.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.064   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18219 (6260 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 6260 P-L = 1994 SQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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