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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987609287172304 9.091e-08  
a 2.391480014939019 1.673e-08 AU
q 1.916147226161043 2.2003e-07 AU
i 2.318053306154197 7.1822e-06 deg
node 113.3404960216938 0.00019063 deg
peri 249.1796817159907 0.0001915 deg
M 210.4975082753764 2.0064e-05 deg
tp 2457561.476270712823
(2016-Jun-21.97627071)
7.9039e-05 JED
period 1350.823355028767
3.70
1.4175e-05
3.881e-08
d
yr
n .266504127767567 2.7966e-09 deg/d
Q 2.866812803716994 2.0055e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      592  
   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      .55178  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 02:14:16  

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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