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13676 (1997 MA4)
Classification: Main-belt Asteroid          SPK-ID: 2013676
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01582667660179539 3.5686e-08  
a 2.853578736922772 1.2808e-08 au
q 2.808416069095736 9.9872e-08 au
i 1.384531011865944 4.6745e-06 deg
node 346.1654636477591 0.00013789 deg
peri 135.1274842203617 0.00020006 deg
M 108.7418733838974 0.0001438 deg
tp 2458668.664250122393
(2019-Jul-04.16425012)		 0.00070342 TDB
period 1760.691295799306
4.82		 1.1854e-05
3.245e-08		 d
yr
n .2044651443776064 1.3766e-09 deg/d
Q 2.898741404749808 1.3011e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      9747 days (26.69 yr)  
   first obs. used      1993-09-14  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:10:38  

Additional Information
 Earth MOID = 1.82384 au 
 Jupiter MOID = 2.08541 au 
 T_jup = 3.304 
[ 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 14.15   n/a E2021B10  
diameter diameter 4.991 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13676 (1997 MA4)          Discovered 1997-Jun-28 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 MA4 = 1993 RU12 = 1998 SD99 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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