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JPL Small-Body Database Browser
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26091 (1987 RL1)
Classification: Main-belt Asteroid          SPK-ID: 2026091
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2365001074497675 3.4161e-08  
a 2.312091549014379 6.1729e-09 au
q 1.765281649238779 7.8322e-08 au
i 1.277346470822786 3.7094e-06 deg
node 131.0764690032221 0.00016052 deg
peri 189.6966895842021 0.0001607 deg
M 129.6698605026274 7.5989e-06 deg
tp 2458537.967228199486
(2019-Feb-23.46722820)
2.632e-05 TDB
period 1284.12105328679
3.52
5.1426e-06
1.408e-08
d
yr
n .2803474011103212 1.1227e-09 deg/d
Q 2.858901448789978 7.6328e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      11828 days (32.38 yr)  
   first obs. used      1987-09-13  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:38:18  

Additional Information
 Earth MOID = .752522 au 
 Jupiter MOID = 2.46348 au 
 T_jup = 3.546 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO347718  

26091 (1987 RL1)          Discovered 1987-Sep-13 by Debehogne, H. at La Silla
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1987 RL1 = 1997 GC7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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