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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2677711442914373 8.301e-08  
a 2.671786101685917 2.1036e-08 au
q 1.956358879935521 2.2282e-07 au
i 11.8770361939586 1.026e-05 deg
node 331.7553262172881 3.587e-05 deg
peri 69.95272872104887 4.0958e-05 deg
M 296.5435941670499 1.732e-05 deg
tp 2457881.673201379237
(2017-May-08.17320138)
7.8006e-05 JED
period 1595.147899851033
4.37
1.8839e-05
5.158e-08
d
yr
n .2256844020755816 2.6654e-09 deg/d
Q 3.387213323436313 2.6669e-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 = .998442 au 
 Jupiter MOID = 2.23503 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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