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29131 (1986 QU1)
Classification: Main-belt Asteroid          SPK-ID: 2029131
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .198760928780412 9.0906e-08  
a 2.391480014886448 1.6728e-08 AU
q 1.916147225967824 2.2002e-07 AU
i 2.318053302796475 7.1811e-06 deg
node 113.3404961301052 0.00019059 deg
peri 249.1796816399383 0.00019145 deg
M 210.4975082653721 2.0063e-05 deg
tp 2457561.476270731865
(2016-Jun-21.97627073)
7.9037e-05 JED
period 1350.823354984224
3.70
1.4174e-05
3.881e-08
d
yr
n .2665041277763548 2.7963e-09 deg/d
Q 2.866812803805071 2.0053e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      10111 days (27.68 yr)  
   first obs. used      1986-08-27  
   last obs. used      2014-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54827  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:00:12  

Additional Information
 Earth MOID = .915092 AU 
 T_jup = 3.504 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a PDS3 (MPO 16189)  

29131 (1986 QU1)          Discovered 1986-Aug-27 by Debehogne, H. at La Silla (809)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1986 QU1 = 2000 HG8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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