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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03264050914702929 6.7153e-08  
a 2.660212861306785 2.2849e-08 AU
q 2.573382159074256 1.8243e-07 AU
i 3.318453238649289 6.3333e-06 deg
node 51.47227971437776 0.00011556 deg
peri 119.0262305083408 0.00015476 deg
M 308.1612247653569 0.00010372 deg
tp 2457028.705045104079
(2015-Jan-06.20504510)
0.00045732 JED
period 1584.794699828597
4.34
2.0418e-05
5.59e-08
d
yr
n .2271587607145177 2.9267e-09 deg/d
Q 2.747043563539314 2.3595e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      10067 days (27.56 yr)  
   first obs. used      1986-08-26  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4989  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:04:13  

Additional Information
 Earth MOID = 1.58007 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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