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14423 (1991 SM2)
Classification: Main-belt Asteroid          SPK-ID: 2014423
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06579105495353173 3.0594e-08  
a 2.272114389061763 6.4659e-09 au
q 2.122629586430291 6.8911e-08 au
i 6.941535019101067 3.5349e-06 deg
node 15.67596081058852 2.9618e-05 deg
peri 58.37824015475501 4.3729e-05 deg
M 194.2500199484095 3.0987e-05 deg
tp 2459972.463150969851
(2023-Jan-27.96315097)
0.00010775 TDB
period 1250.960840445402
3.42
5.3399e-06
1.462e-08
d
yr
n .2877787923975484 1.2284e-09 deg/d
Q 2.421599191693236 6.8913e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1940  
   data-arc span      10873 days (29.77 yr)  
   first obs. used      1991-09-11  
   last obs. used      2021-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:17:19  

Additional Information
 Earth MOID = 1.14533 au 
 Jupiter MOID = 2.72061 au 
 T_jup = 3.599 
[ 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 14.58   n/a E2021B10  
diameter diameter 3.068 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.430   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14423 (1991 SM2)          Discovered 1991-Sep-16 by Holt, H. E. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 SM2 = 1993 FU10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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