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18397 (1992 SF14)
Classification: Main-belt Asteroid          SPK-ID: 2018397
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3112060593339013 5.2243e-08  
a 2.577574409877563 1.5596e-08 au
q 1.77541763513966 1.3365e-07 au
i 18.02502033903446 7.2339e-06 deg
node 228.2864312762671 1.0864e-05 deg
peri 140.6654739123002 1.562e-05 deg
M 297.1319765790655 1.2577e-05 deg
tp 2459464.462692428591
(2021-Sep-06.96269243)
5.3757e-05 TDB
period 1511.524684624484
4.14
1.3719e-05
3.756e-08
d
yr
n .2381701097322381 2.1617e-09 deg/d
Q 3.379731184615465 2.045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      23662 days (64.78 yr)  
   first obs. used      1955-11-24  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44548  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:28:29  

Additional Information
 Earth MOID = .809317 au 
 Jupiter MOID = 2.22179 au 
 T_jup = 3.291 
[ 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 14.55   n/a E2021B10  
diameter diameter 6.040 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18397 (1992 SF14)          Discovered 1992-Sep-28 by Holt, H. E. at Palomar
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 SF14 = 1996 RY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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