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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09257822801123487 4.85e-08  
a 2.428179621347457 1.7061e-08 au
q 2.203383054710118 1.1918e-07 au
i 4.350749787547199 5.8834e-06 deg
node 351.619345877208 6.6336e-05 deg
peri 289.6600900281253 7.7389e-05 deg
M 317.1888006521461 4.5265e-05 deg
tp 2457564.851826800459
(2016-Jun-25.35182680)
0.00017472 JED
period 1382.036909721174
3.78
1.4566e-05
3.988e-08
d
yr
n .2604850836238737 2.7454e-09 deg/d
Q 2.652976187984796 1.8641e-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 = 1.19007 au 
 Jupiter MOID = 2.45371 au 
 T_jup = 3.499 
[ 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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