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19222 (1993 QK1)
Classification: Main-belt Asteroid          SPK-ID: 2019222
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674783418078346 2.5861e-08  
a 2.369351550920036 7.0403e-09 au
q 1.972536482012127 6.2093e-08 au
i 2.329996903480705 2.899e-06 deg
node 273.4476394723182 8.9452e-05 deg
peri 353.50327169 9.0097e-05 deg
M 231.4288304829503 1.1429e-05 deg
tp 2459676.255454299645
(2022-Apr-06.75545430)
4.2839e-05 TDB
period 1332.117956080038
3.65
5.9374e-06
1.626e-08
d
yr
n .2702463384393942 1.2045e-09 deg/d
Q 2.766166619827944 8.2194e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1966  
   data-arc span      17128 days (46.89 yr)  
   first obs. used      1974-04-22  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:49:11  

Additional Information
 Earth MOID = .954824 au 
 Jupiter MOID = 2.31796 au 
 T_jup = 3.526 
[ 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 14.56   n/a E2021B10  
diameter diameter 7.250 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19222 (1993 QK1)          Discovered 1993-Aug-16 by Elst, E. W. at Caussols
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 QK1 = 1974 HE = 1998 YF16 = 1999 AH39 = 2000 OY9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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