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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06513341940560771 4.3084e-08  
a 2.97127635570932 2.4267e-08 au
q 2.777746966662939 1.2386e-07 au
i 10.33384826180396 6.0465e-06 deg
node 337.4311278335611 2.317e-05 deg
peri 278.0866291177921 5.205e-05 deg
M 107.2207106523195 4.5672e-05 deg
tp 2458443.328135165570
(2018-Nov-20.82813517)
0.00023826 TDB
period 1870.738126245162
5.12
2.2918e-05
6.275e-08
d
yr
n .1924374101053744 2.3575e-09 deg/d
Q 3.164805744755701 2.5848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      7359 days (20.15 yr)  
   first obs. used      1999-09-09  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57223  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:48:56  

Additional Information
 Earth MOID = 1.78746 au 
 Jupiter MOID = 1.96614 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 14.7   n/a MPO502691  

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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