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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01592883276238956 3.6017e-08  
a 2.853922751777886 1.2941e-08 au
q 2.808463093548037 1.0108e-07 au
i 1.384511857635379 4.6896e-06 deg
node 346.1646262744189 0.00013961 deg
peri 135.5551618305732 0.00020031 deg
M 67.41456772827385 0.00014249 deg
tp 2458670.728590281503
(2019-Jul-06.22859028)
0.00069713 TDB
period 1761.009697149899
4.82
1.1978e-05
3.279e-08
d
yr
n .2044281758258576 1.3905e-09 deg/d
Q 2.899382410007735 1.3147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1515  
   data-arc span      9723 days (26.62 yr)  
   first obs. used      1993-09-14  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:54:35  

Additional Information
 Earth MOID = 1.82392 au 
 Jupiter MOID = 2.08564 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 14.1   n/a MPO337374  
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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