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5627 (1991 MA)
Classification: Inner Main-belt Asteroid          SPK-ID: 2005627
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02108258755872796 8.4368e-08  
a 1.877920662511328 9.6999e-09 AU
q 1.838329235715589 1.5616e-07 AU
i 26.35236391119955 9.4848e-06 deg
node 77.79924556086473 1.4395e-05 deg
peri 170.619079156134 0.00015613 deg
M 76.44706876572812 0.00015305 deg
tp 2456800.894444506870
(2014-May-23.39444451)
0.00040003 JED
period 939.9706376935852
2.57
7.2828e-06
1.994e-08
d
yr
n .3829906866913794 2.9674e-09 deg/d
Q 1.917512089307068 9.9044e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      10216 days (27.97 yr)  
   first obs. used      1986-07-26  
   last obs. used      2014-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47178  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:06:28  

Additional Information
 Earth MOID = .825367 AU 
 T_jup = 3.847 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO256905  

5627 (1991 MA)          Discovered 1991-Jun-16 by McNaught, R. H. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 MA = 1989 WO2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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