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23491 (1991 RX17)
Classification: Main-belt Asteroid          SPK-ID: 2023491
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435151806081021 5.6452e-08  
a 2.317384154963204 1.5258e-08 AU
q 1.984804349425306 1.3206e-07 AU
i 4.37001997997869 5.4784e-06 deg
node 177.529501572218 6.9485e-05 deg
peri 149.1006451915286 7.1767e-05 deg
M 228.2736696796582 2.2252e-05 deg
tp 2457471.982490697412
(2016-Mar-24.48249070)
8.2373e-05 JED
period 1288.532795518538
3.53
1.2725e-05
3.484e-08
d
yr
n .2793875338307762 2.7592e-09 deg/d
Q 2.649963960501102 1.7447e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1282  
   data-arc span      23784 days (65.12 yr)  
   first obs. used      1949-11-19  
   last obs. used      2015-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53523  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:57:22  

Additional Information
 Earth MOID = .975562 AU 
 T_jup = 3.562 
[ 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 MPO319377  

23491 (1991 RX17)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RX17 = 1991 PV10 = 1998 MS46 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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