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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222560429680177 4.3645e-08  
a 2.239087755018521 9.4222e-09 au
q 1.965345746231814 9.6895e-08 au
i 5.302642651167081 4.2507e-06 deg
node 37.41652999957968 5.7314e-05 deg
peri 59.0791779543967 6.1487e-05 deg
M 76.97299756747593 2.1334e-05 deg
tp 2457338.837794208243
(2015-Nov-12.33779421)
7.2577e-05 JED
period 1223.784925388369
3.35
7.7246e-06
2.115e-08
d
yr
n .2941693368920635 1.8568e-09 deg/d
Q 2.512829763805228 1.0574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1422  
   data-arc span      23516 days (64.38 yr)  
   first obs. used      1951-12-01  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50393  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:21:40  

Additional Information
 Earth MOID = .986531 au 
 Jupiter MOID = 2.64198 au 
 T_jup = 3.620 
[ 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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