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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09265714802732253 4.8488e-08  
a 2.428329651113124 1.6929e-08 au
q 2.203327551170799 1.192e-07 au
i 4.35074085424187 5.8834e-06 deg
node 351.6187732439969 6.6334e-05 deg
peri 289.6914949153271 7.7379e-05 deg
M 9.260303043541743 4.5543e-05 deg
tp 2457564.946481247567
(2016-Jun-25.44648125)
0.00017465 JED
period 1382.164999427562
3.78
1.4453e-05
3.957e-08
d
yr
n .2604609436276404 2.7236e-09 deg/d
Q 2.653331751055449 1.8497e-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 = 1.19141 au 
 Jupiter MOID = 2.45457 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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