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15747 (1991 RW23)
Classification: Main-belt Asteroid          SPK-ID: 2015747
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0810578586785573 7.4639e-08  
a 2.792552358024989 2.7427e-08 AU
q 2.566194043635727 2.0385e-07 AU
i 4.00722023820858 7.4608e-06 deg
node 198.7892510322885 8.0485e-05 deg
peri 185.0303746192176 8.9817e-05 deg
M 194.4064006982738 3.8605e-05 deg
tp 2457184.545847181179
(2015-Jun-11.04584718)		 0.00018534 JED
period 1704.513375972509
4.67		 2.5111e-05
6.875e-08		 d
yr
n .2112039747383045 3.1115e-09 deg/d
Q 3.01891067241425 2.965e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      13909 days (38.08 yr)  
   first obs. used      1975-03-15  
   last obs. used      2013-04-13  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .55803  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 14:00:35  

Additional Information
 Earth MOID = 1.5688 AU 
 T_jup = 3.320 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a PDS3 (MPO 1691)  

15747 (1991 RW23)          Discovered 1991-Sep-11 by Holt, H. E. at Palomar (675)
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RW23 = 1975 EA4 = 1991 PB21 = 1999 JP23 = 1999 KF16 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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