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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04678587052800394 5.1739e-08  
a 3.182063955581279 1.8796e-08 au
q 3.033188323343625 1.6347e-07 au
i 16.21933136570667 5.6282e-06 deg
node 353.4600448170074 1.3212e-05 deg
peri 173.3130234734243 4.5413e-05 deg
M 28.07382980184838 4.2064e-05 deg
tp 2458838.818270913425
(2019-Dec-21.31827091)
0.00024245 TDB
period 2073.298259695751
5.68
1.837e-05
5.029e-08
d
yr
n .1736363778421483 1.5384e-09 deg/d
Q 3.330939587818933 1.9675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2090  
   data-arc span      21815 days (59.73 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:20:09  

Additional Information
 Earth MOID = 2.03963 au 
 Jupiter MOID = 1.64 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 12.1   n/a MPO395178  
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. 2019-August); 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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