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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0320491238926756 6.5908e-08  
a 2.659028415355162 2.1251e-08 AU
q 2.5738088842373 1.7699e-07 AU
i 3.318216732643904 6.0876e-06 deg
node 51.42916441152928 0.00011412 deg
peri 118.8548476196405 0.00015097 deg
M 353.7774333861213 9.8581e-05 deg
tp 2457027.874736544501
(2015-Jan-05.37473654)
0.00043373 JED
period 1583.736385246617
4.34
1.8986e-05
5.198e-08
d
yr
n .2273105570810898 2.7251e-09 deg/d
Q 2.744247946473025 2.1933e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      10399 days (28.47 yr)  
   first obs. used      1986-08-26  
   last obs. used      2015-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50418  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:10:20  

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
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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