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

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .237223032314217 5.8363e-08  
a 2.311153663597262 1.4475e-08 AU
q 1.762894783374608 1.3526e-07 AU
i 1.277225271132787 6.0524e-06 deg
node 131.088694156313 0.00025266 deg
peri 189.8183371771584 0.00025285 deg
M 288.6734932221987 1.6935e-05 deg
tp 2457254.767067119803
(2015-Aug-20.26706712)
6.2155e-05 JED
period 1283.339789067275
3.51
1.2056e-05
3.301e-08
d
yr
n .2805180693895933 2.6353e-09 deg/d
Q 2.859412543819916 1.7908e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      9776 days (26.77 yr)  
   first obs. used      1987-09-13  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60944  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:54:33  

Additional Information
 Earth MOID = .750962 AU 
 T_jup = 3.546 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO259523  

26091 (1987 RL1)          Discovered 1987-Sep-13 by Debehogne, H. at La Silla (809)
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

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