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91587 (1999 SD24)
Classification: Main-belt Asteroid          SPK-ID: 2091587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06471632573563091 4.2246e-08  
a 2.972389799053433 2.119e-08 au
q 2.780027652604625 1.1854e-07 au
i 10.3334823295123 4.7366e-06 deg
node 337.4265546641324 2.1183e-05 deg
peri 278.1790732700468 4.2798e-05 deg
M 183.3335048828881 3.8636e-05 deg
tp 2460315.062607908614
(2024-Jan-05.56260791)
0.00020324 TDB
period 1871.789773312095
5.12
2.0016e-05
5.48e-08
d
yr
n .1923292909988429 2.0567e-09 deg/d
Q 3.164751945502242 2.2562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1999-09-09  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57322  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:57  

Additional Information
 Earth MOID = 1.78973 au 
 Jupiter MOID = 1.96378 au 
 T_jup = 3.235 
[ 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 14.69   n/a E2021B10  

91587 (1999 SD24)          Discovered 1999-Sep-29 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 SD24 = 2002 CL82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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