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16668 (1993 XN1)
Classification: Main-belt Asteroid          SPK-ID: 2016668
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478245538885398 2.6485e-08  
a 2.588236288706162 1.145e-08 au
q 2.205631413970044 7.1414e-08 au
i 16.41905814695897 1.1104e-06 deg
node 94.83035184770952 3.0636e-06 deg
peri 183.1200270206555 5.1395e-06 deg
M 47.27974992834294 7.666e-06 deg
tp 2459196.754511089776
(2020-Dec-13.25451109)
3.1905e-05 TDB
period 1520.912782251702
4.16
1.0092e-05
2.763e-08
d
yr
n .2366999634699777 1.5707e-09 deg/d
Q 2.970841163442281 1.3142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2134  
   data-arc span      10970 days (30.03 yr)  
   first obs. used      1991-06-14  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43717  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:11:30  

Additional Information
 Earth MOID = 1.18918 au 
 Jupiter MOID = 2.16362 au 
 T_jup = 3.349 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.47   n/a E2021B10  
diameter diameter 6.153 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.323   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16668 (1993 XN1)          Discovered 1993-Dec-15 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 XN1 = 1991 LK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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