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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2365523973609774 3.3843e-08  
a 2.312090577969248 6.1293e-09 au
q 1.765160008834894 7.7652e-08 au
i 1.277458880880011 3.6941e-06 deg
node 131.0754033935615 0.00015394 deg
peri 189.7232498423846 0.00015411 deg
M 185.6976163717678 7.6107e-06 deg
tp 2459822.236720694333
(2022-Aug-30.73672069)
2.8475e-05 TDB
period 1284.12024431837
3.52
5.1062e-06
1.398e-08
d
yr
n .2803475777232164 1.1148e-09 deg/d
Q 2.859021147103602 7.5792e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1369  
   data-arc span      12180 days (33.35 yr)  
   first obs. used      1987-09-13  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56752  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:17:37  

Additional Information
 Earth MOID = .750432 au 
 Jupiter MOID = 2.46341 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 15.33   n/a E2020-QM5  

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

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