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

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08064322919019755 5.2521e-08  
a 2.792900873331052 2.235e-08 AU
q 2.567672328097513 1.5235e-07 AU
i 4.006884599052229 5.7793e-06 deg
node 198.7688000470032 7.507e-05 deg
peri 185.040670902998 8.3544e-05 deg
M 321.0786323296649 3.684e-05 deg
tp 2457184.817809954504
(2015-Jun-11.31780995)
0.00017518 JED
period 1704.832475200893
4.67
2.0464e-05
5.603e-08
d
yr
n .2111644429799934 2.5347e-09 deg/d
Q 3.018129418564591 2.4152e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1084  
   data-arc span      14479 days (39.64 yr)  
   first obs. used      1975-03-15  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51814  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:25:15  

Additional Information
 Earth MOID = 1.57078 AU 
 T_jup = 3.320 
[ 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 13.5 mag n/a MPO313546  

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

[ show close-approach data ]
Alternate Designations
 1991 RW23 = 1975 EA4 = 1991 PB21 = 1999 JP23 = 1999 KF16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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