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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2363828898244866 3.8906e-08  
a 2.311568210731048 6.4649e-09 au
q 1.765153037052025 9.0075e-08 au
i 1.277296389954716 4.2351e-06 deg
node 131.0809542962961 0.00016617 deg
peri 189.6394810133544 0.00016634 deg
M 17.57841491420783 7.4187e-06 deg
tp 2458537.819030201366
(2019-Feb-23.31903020)
2.6356e-05 TDB
period 1283.685089789854
3.51
5.3853e-06
1.474e-08
d
yr
n .2804426123379948 1.1765e-09 deg/d
Q 2.857983384410072 7.9931e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      11733 days (32.12 yr)  
   first obs. used      1987-09-13  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57985  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:51:21  

Additional Information
 Earth MOID = .75151 au 
 Jupiter MOID = 2.46133 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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