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15283 (1991 RB8)
Classification: Main-belt Asteroid          SPK-ID: 2015283
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219856430628558 4.4063e-08  
a 2.238603258873306 1.0952e-08 au
q 1.965525800777041 9.8214e-08 au
i 5.302123695163049 5.4437e-06 deg
node 37.42565387325412 5.878e-05 deg
peri 59.0454539757805 6.4401e-05 deg
M 18.17497954782318 2.7125e-05 deg
tp 2457338.735980074124
(2015-Nov-12.23598007)
9.2048e-05 JED
period 1223.387741087089
3.35
8.9782e-06
2.458e-08
d
yr
n .2942648417255741 2.1596e-09 deg/d
Q 2.511680716969571 1.2289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1200  
   data-arc span      23393 days (64.05 yr)  
   first obs. used      1951-12-01  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51795  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:30:16  

Additional Information
 Earth MOID = .987939 au 
 Jupiter MOID = 2.64391 au 
 T_jup = 3.621 
[ 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 14.0 mag n/a MPO358779  

15283 (1991 RB8)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RB8 = 1969 AJ = 1998 XM66 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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