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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09273550687013474 4.8485e-08  
a 2.429711707859476 1.7133e-08 AU
q 2.204391161082827 1.192e-07 AU
i 4.349451302525653 5.8805e-06 deg
node 351.6280354278833 6.637e-05 deg
peri 289.1567607566565 7.7347e-05 deg
M 213.5806475033392 4.4522e-05 deg
tp 2457563.134718481808
(2016-Jun-23.63471848)
0.00017434 JED
period 1383.345133001254
3.79
1.4632e-05
4.006e-08
d
yr
n .260238744050053 2.7527e-09 deg/d
Q 2.655032254636125 1.8722e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1115  
   data-arc span      10520 days (28.80 yr)  
   first obs. used      1986-08-27  
   last obs. used      2015-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49288  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:39:33  

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 14.3 mag n/a MPO337485  

26815 (1986 QR1)          Discovered 1986-Aug-27 by Debehogne, H. at La Silla
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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