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24717 (1991 SA)
Classification: Main-belt Asteroid          SPK-ID: 2024717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2582445664118542 3.1697e-08  
a 2.329118627270191 6.7155e-09 au
q 1.727636397249028 7.4486e-08 au
i 5.640383150326898 4.1839e-06 deg
node 267.3139431107696 3.6225e-05 deg
peri 57.176187999597 3.7189e-05 deg
M 160.6455367118566 9.9902e-06 deg
tp 2458817.135336856944
(2019-Nov-29.63533686)
3.4597e-05 TDB
period 1298.332235059889
3.55
5.6152e-06
1.537e-08
d
yr
n .2772787968122767 1.1992e-09 deg/d
Q 2.930600857291355 8.4498e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1407  
   data-arc span      10782 days (29.52 yr)  
   first obs. used      1991-09-10  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52297  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:37:02  

Additional Information
 Earth MOID = .722659 au 
 Jupiter MOID = 2.429 au 
 T_jup = 3.520 
[ 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 14.87   n/a E2021B10  
diameter diameter 5.593 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24717 (1991 SA)          Discovered 1991-Sep-16 by Otomo, S. at Kiyosato
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 SA = 1998 MR46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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