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26815 (1986 QR1)
Classification: Main-belt Asteroid          SPK-ID: 2026815
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 .09273552321397753 5.571e-08  
a 2.429711714185423 1.9997e-08 AU
q 2.204391127111308 1.3232e-07 AU
i 4.349453693156568 6.1889e-06 deg
node 351.6280447108779 7.8601e-05 deg
peri 289.1567521844324 8.8055e-05 deg
M 213.5806431092016 4.4654e-05 deg
tp 2457563.134737564129
(2016-Jun-23.63473756)
0.00017509 JED
period 1383.345138403728
3.79
1.7078e-05
4.676e-08
d
yr
n .2602387430337247 3.2128e-09 deg/d
Q 2.655032301259539 2.1852e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      10312 days (28.23 yr)  
   first obs. used      1986-08-27  
   last obs. used      2014-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50013  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:08:47  

Additional Information
 Earth MOID = 1.19408 AU 
 T_jup = 3.498 
[ 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 14.2 mag n/a MPO279795  

26815 (1986 QR1)          Discovered 1986-Aug-27 by Debehogne, H. at La Silla (809)
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1986 QR1 = 1990 SG14 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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