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7744 (1986 QA1)
Classification: Main-belt Asteroid          SPK-ID: 2007744
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 .03204911816334353 6.6972e-08  
a 2.659028418480748 2.2438e-08 AU
q 2.57380890249717 1.8115e-07 AU
i 3.318215005828992 6.2312e-06 deg
node 51.42914214075437 0.00011534 deg
peri 118.854880392253 0.00015415 deg
M 353.7774214383616 0.00010273 deg
tp 2457027.874789154162
(2015-Jan-05.37478915)
0.000452 JED
period 1583.736388039049
4.34
2.0047e-05
5.489e-08
d
yr
n .2273105566802975 2.8773e-09 deg/d
Q 2.744247934464326 2.3157e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      10353 days (28.34 yr)  
   first obs. used      1986-08-26  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50482  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:22:43  

Additional Information
 Earth MOID = 1.58122 AU 
 T_jup = 3.383 
[ 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 13.5 mag n/a PDS3 (MPC 30256)  

7744 (1986 QA1)          Discovered 1986-Aug-26 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 QA1 = 1995 SB43 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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