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24990 (1998 MA26)
Classification: Main-belt Asteroid          SPK-ID: 2024990
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 .1686207660113928 3.1592e-08  
a 2.198056998183971 7.7138e-09 au
q 1.827418943413487 6.8759e-08 au
i 3.852609512175223 3.5547e-06 deg
node 294.4835843407933 6.3562e-05 deg
peri 3.898319242516973 6.5724e-05 deg
M 307.65786228441 1.9693e-05 deg
tp 2459373.563629240044
(2021-Jun-08.06362924)
6.5523e-05 TDB
period 1190.301146371772
3.26
6.2658e-06
1.715e-08
d
yr
n .3024444705420452 1.5921e-09 deg/d
Q 2.568695052954455 9.0145e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1458  
   data-arc span      13266 days (36.32 yr)  
   first obs. used      1984-01-25  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:52:17  

Additional Information
 Earth MOID = .809676 au 
 Jupiter MOID = 2.62952 au 
 T_jup = 3.646 
[ 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 14.98   n/a E2021B10  
diameter diameter 3.069 km 0.428 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.225   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24990 (1998 MA26)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 MA26 = 1984 BT6 = 2000 AT22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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