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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03204913271805508 6.3018e-08  
a 2.659028411160472 1.8744e-08 AU
q 2.573808856710111 1.6615e-07 AU
i 3.318218409439269 5.8575e-06 deg
node 51.42922416195408 0.00010512 deg
peri 118.8547740736126 0.00014025 deg
M 353.7774492758286 9.0834e-05 deg
tp 2457027.874666576648
(2015-Jan-05.37466658)
0.00039958 JED
period 1583.736381499036
4.34
1.6746e-05
4.585e-08
d
yr
n .2273105576189728 2.4035e-09 deg/d
Q 2.744247965610833 1.9344e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1191  
   data-arc span      10523 days (28.81 yr)  
   first obs. used      1986-08-26  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50017  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:57:39  

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 13.6 mag n/a MPO337321  

7744 (1986 QA1)          Discovered 1986-Aug-26 by Debehogne, H. at La Silla
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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