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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2680948274557483 9.1695e-08  
a 2.670832736797742 2.1418e-08 AU
q 1.954796295062788 2.4474e-07 AU
i 11.87766623356342 1.1702e-05 deg
node 331.7603976097914 3.667e-05 deg
peri 70.04512189707742 4.42e-05 deg
M 115.8010349598913 1.949e-05 deg
tp 2456287.664119205319
(2012-Dec-26.16411921)
8.5815e-05 JED
period 1594.294188735274
4.36
1.9177e-05
5.25e-08
d
yr
n .2258052513417123 2.7161e-09 deg/d
Q 3.386869178532697 2.716e-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 = .997154 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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