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14422 (1991 SK2)
Classification: Main-belt Asteroid          SPK-ID: 2014422
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114416993519741 4.7172e-08  
a 3.055434415261922 1.8819e-08 au
q 2.705840795570905 1.4223e-07 au
i 9.435234885698746 4.953e-06 deg
node 328.4379321477467 2.3187e-05 deg
peri 356.3807588291891 3.0169e-05 deg
M 190.6374742555077 2.2091e-05 deg
tp 2460118.246415595286
(2023-Jun-22.74641560)
0.00012361 TDB
period 1950.778120259859
5.34
1.8023e-05
4.934e-08
d
yr
n .1845417458096388 1.705e-09 deg/d
Q 3.405028034952938 2.0972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1729  
   data-arc span      10812 days (29.60 yr)  
   first obs. used      1991-08-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:28:42  

Additional Information
 Earth MOID = 1.69204 au 
 Jupiter MOID = 1.92756 au 
 T_jup = 3.205 
[ 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 13.42   n/a E2021B10  
diameter diameter 7.095 km 0.580 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14422 (1991 SK2)          Discovered 1991-Sep-16 by Holt, H. E. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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