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91582 (1999 SF19)
Classification: Main-belt Asteroid          SPK-ID: 2091582
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2185118104750214 4.1907e-08  
a 3.089077259552786 2.4983e-08 au
q 2.414077394870689 1.3123e-07 au
i 9.825749799345536 6.4102e-06 deg
node 106.3335753413849 2.8705e-05 deg
peri 318.9225201401862 3.297e-05 deg
M 258.3486364397565 1.753e-05 deg
tp 2459560.453921358876
(2021-Dec-11.95392136)
9.9581e-05 TDB
period 1983.086154763947
5.43
2.4058e-05
6.587e-08
d
yr
n .1815352293873747 2.2023e-09 deg/d
Q 3.764077124234884 3.0442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      9362 days (25.63 yr)  
   first obs. used      1994-12-10  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:14  

Additional Information
 Earth MOID = 1.4381 au 
 Jupiter MOID = 1.588 au 
 T_jup = 3.166 
[ 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 14.6   n/a MPO432453  
diameter diameter 3.987 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.193   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91582 (1999 SF19)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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