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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219537323559901 4.5685e-08  
a 2.238907437911898 1.3358e-08 AU
q 1.965864319458955 1.0132e-07 AU
i 5.301746954068618 7.1769e-06 deg
node 37.43515547725744 6.2583e-05 deg
peri 58.89336041500966 7.1647e-05 deg
M 201.7649910139577 3.566e-05 deg
tp 2457338.339520214213
(2015-Nov-11.83952021)
0.00012313 JED
period 1223.637098501987
3.35
1.0951e-05
2.998e-08
d
yr
n .2942048753186077 2.633e-09 deg/d
Q 2.511950556364841 1.4987e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1008  
   data-arc span      22862 days (62.59 yr)  
   first obs. used      1951-12-01  
   last obs. used      2014-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53535  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:34:14  

Additional Information
 Earth MOID = .988056 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 13.8 mag n/a MPO266038  

15283 (1991 RB8)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar (675)
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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