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JPL Small-Body Database Browser
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26815 (1986 QR1)
Classification: Main-belt Asteroid          SPK-ID: 2026815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09326405231123187 3.7659e-08  
a 2.42791910692619 9.9543e-09 au
q 2.201481532330387 9.3238e-08 au
i 4.350583625525155 4.46e-06 deg
node 351.6025904269806 5.2473e-05 deg
peri 289.8122049095784 5.7999e-05 deg
M 269.5874702571916 2.6891e-05 deg
tp 2458947.537068735728
(2020-Apr-08.03706874)
0.00010392 TDB
period 1381.814501820191
3.78
8.4981e-06
2.327e-08
d
yr
n .2605270096136573 1.6022e-09 deg/d
Q 2.654356681521994 1.0883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1525  
   data-arc span      11935 days (32.68 yr)  
   first obs. used      1986-08-27  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:00:10  

Additional Information
 Earth MOID = 1.18921 au 
 Jupiter MOID = 2.45836 au 
 T_jup = 3.499 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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