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108568 (2001 MA1)
Classification: Main-belt Asteroid          SPK-ID: 2108568
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273347201439995 4.6752e-08  
a 2.77411665119616 1.9287e-08 au
q 2.420875283769288 1.3659e-07 au
i 10.75991234500376 4.9338e-06 deg
node 100.8696367240453 2.789e-05 deg
peri 162.2929400158312 3.4754e-05 deg
M 51.40656282200953 1.9734e-05 deg
tp 2458759.508585058434
(2019-Oct-03.00858506)
9.2413e-05 TDB
period 1687.662131377105
4.62
1.76e-05
4.819e-08
d
yr
n .2133128386937531 2.2246e-09 deg/d
Q 3.127358018623032 2.1743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      7059 days (19.33 yr)  
   first obs. used      2000-03-04  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:09:39  

Additional Information
 Earth MOID = 1.40729 au 
 Jupiter MOID = 1.97465 au 
 T_jup = 3.299 
[ 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 14.9   n/a MPO345028  
diameter diameter 2.777 km 0.813 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.209   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108568 (2001 MA1)          Discovered 2001-Jun-18 by Broughton, J. at Reedy Creek
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 MA1 = 2000 EO168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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