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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2678215503031782 8.2971e-08  
a 2.67136287884216 2.1026e-08 au
q 1.955914331208291 2.2269e-07 au
i 11.87731423958284 1.026e-05 deg
node 331.7540395985832 3.5872e-05 deg
peri 69.9880914196734 4.0962e-05 deg
M 251.3681203391375 1.7137e-05 deg
tp 2457881.729841417128
(2017-May-08.22984142)
7.8001e-05 JED
period 1594.768897040278
4.37
1.8829e-05
5.155e-08
d
yr
n .2257380368203329 2.6652e-09 deg/d
Q 3.386811426476028 2.6658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      9078 days (24.85 yr)  
   first obs. used      1990-08-16  
   last obs. used      2015-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55426  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:35:28  

Additional Information
 Earth MOID = .998115 au 
 Jupiter MOID = 2.23659 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
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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