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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03204911942194032 6.7274e-08  
a 2.65902841705715 2.317e-08 AU
q 2.573808897772553 1.8254e-07 AU
i 3.318216165812036 6.333e-06 deg
node 51.42915117218171 0.0001156 deg
peri 118.8548659712092 0.00015592 deg
M 353.777427466429 0.00010555 deg
tp 2457027.874762613096
(2015-Jan-05.37476261)
0.00046441 JED
period 1583.736386767191
4.34
2.07e-05
5.667e-08
d
yr
n .2273105568628449 2.9711e-09 deg/d
Q 2.744247936341748 2.3912e-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 = 1.58122 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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