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24690 (1990 QX5)
Classification: Main-belt Asteroid          SPK-ID: 2024690
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2680411128389053 9.1739e-08  
a 2.670766880296629 2.1322e-08 AU
q 1.95489155356863 2.4489e-07 AU
i 11.87748187135105 1.1702e-05 deg
node 331.7593611362115 3.6671e-05 deg
peri 70.02431940928517 4.4209e-05 deg
M 161.0005685348071 1.9577e-05 deg
tp 2456287.520063671791
(2012-Dec-26.02006367)
8.5819e-05 JED
period 1594.235221738764
4.36
1.9092e-05
5.227e-08
d
yr
n .2258136033447834 2.7042e-09 deg/d
Q 3.386642207024629 2.7038e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      8625 days (23.61 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56313  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:52:28  

Additional Information
 Earth MOID = .998166 AU 
 T_jup = 3.299 
[ 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 14.4 mag n/a MPO263563  

24690 (1990 QX5)          Discovered 1990-Aug-29 by Holt, H. E. at Palomar (675)
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QX5 = 1992 EN23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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