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16665 (1993 XK)
Classification: Main-belt Asteroid          SPK-ID: 2016665
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127878894810254 3.9874e-08  
a 2.400155280927156 7.5435e-09 au
q 2.129446832364644 9.4121e-08 au
i 5.416691211709501 3.2659e-06 deg
node 110.6254627278573 4.1754e-05 deg
peri 259.3862237233926 4.4345e-05 deg
M 150.8621458444899 1.5555e-05 deg
tp 2458631.338891396639
(2019-May-27.83889140)
5.8088e-05 TDB
period 1358.180330461564
3.72
6.403e-06
1.753e-08
d
yr
n .2650605313048949 1.2496e-09 deg/d
Q 2.670863729489667 8.3943e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1689  
   data-arc span      9959 days (27.27 yr)  
   first obs. used      1993-12-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:38:06  

Additional Information
 Earth MOID = 1.13505 au 
 Jupiter MOID = 2.79689 au 
 T_jup = 3.512 
[ 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 14.58   n/a E2021B10  
diameter diameter 3.043 km 0.536 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.363   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16665 (1993 XK)          Discovered 1993-Dec-08 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 XK = 1998 BS12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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