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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .268041113238584 9.1733e-08  
a 2.67076688013049 2.1318e-08 AU
q 1.954891552379574 2.4487e-07 AU
i 11.87748197070312 1.1701e-05 deg
node 331.7593620244235 3.6637e-05 deg
peri 70.02431886749925 4.4178e-05 deg
M 161.0005683834256 1.9574e-05 deg
tp 2456287.520064408702
(2012-Dec-26.02006441)
8.5805e-05 JED
period 1594.235221590006
4.36
1.9088e-05
5.226e-08
d
yr
n .225813603365854 2.7037e-09 deg/d
Q 3.386642207881407 2.7032e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      529  
   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      .55779  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:01:22  

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
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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