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7191 (1993 MA1)
Classification: Main-belt Asteroid          SPK-ID: 2007191
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174637430742682 6.0023e-08  
a 2.743374130593232 2.1686e-08 au
q 2.421127136560634 1.71e-07 au
i 9.270324546122273 6.4627e-06 deg
node 54.9507270174514 3.8028e-05 deg
peri 209.6016672468653 4.8872e-05 deg
M 19.04922934912911 3.3507e-05 deg
tp 2457512.678490967936
(2016-May-04.17849097)
0.00015417 JED
period 1659.686209457518
4.54
1.9679e-05
5.388e-08
d
yr
n .2169084721850337 2.5719e-09 deg/d
Q 3.065621124625829 2.4233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1224  
   data-arc span      24242 days (66.37 yr)  
   first obs. used      1949-11-21  
   last obs. used      2016-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47726  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:58:22  

Additional Information
 Earth MOID = 1.41045 au 
 Jupiter MOID = 1.99683 au 
 T_jup = 3.320 
[ 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 12.4 mag n/a MPO319175  

7191 (1993 MA1)          Discovered 1993-Jun-18 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1993 MA1 = 1986 YJ1 = 1990 VD15 = 1990 VF4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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