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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430759014708354 5.677e-08  
a 2.31831403159187 1.5506e-08 AU
q 1.986619161629377 1.3263e-07 AU
i 4.368229599494662 5.4841e-06 deg
node 177.5385451041379 7.0049e-05 deg
peri 149.0307070622459 7.233e-05 deg
M 172.4769417631893 2.2012e-05 deg
tp 2456182.788957926793
(2012-Sep-12.28895793)
7.5651e-05 JED
period 1289.308430872323
3.53
1.2935e-05
3.541e-08
d
yr
n .2792194570204048 2.8013e-09 deg/d
Q 2.650008901554364 1.7724e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1278  
   data-arc span      23509 days (64.36 yr)  
   first obs. used      1949-11-19  
   last obs. used      2014-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53574  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:33:05  

Additional Information
 Earth MOID = .975524 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 13.9 mag n/a MPO250441  

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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