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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436959544312515 4.8965e-08  
a 2.317514354937702 1.2649e-08 au
q 1.984496917796803 1.1872e-07 au
i 4.370242922478091 4.7153e-06 deg
node 177.5274029966426 5.9177e-05 deg
peri 149.0797400304147 6.2043e-05 deg
M 340.0658814211116 2.1872e-05 deg
tp 2457471.855361843568
(2016-Mar-24.35536184)
7.8615e-05 JED
period 1288.641389486346
3.53
1.055e-05
2.888e-08
d
yr
n .2793639898090627 2.2872e-09 deg/d
Q 2.650531792078601 1.4467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1449  
   data-arc span      24009 days (65.73 yr)  
   first obs. used      1949-11-19  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53279  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 14:12:04  

Additional Information
 Earth MOID = .972563 au 
 Jupiter MOID = 2.65901 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
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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