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24690 (1990 QX5)
Classification: Main-belt Asteroid          SPK-ID: 2024690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .264709592825693 3.7065e-08  
a 2.673760942437809 1.4891e-08 au
q 1.965990772051855 9.9068e-08 au
i 11.88400771083385 5.5627e-06 deg
node 331.6126931267312 1.9622e-05 deg
peri 69.92876769612322 2.2463e-05 deg
M 341.7375226494422 1.295e-05 deg
tp 2459477.510157931778
(2021-Sep-20.01015793)
5.7899e-05 TDB
period 1596.916798067887
4.37
1.3341e-05
3.653e-08
d
yr
n .2254344123848937 1.8833e-09 deg/d
Q 3.381531112823763 1.8833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      10898 days (29.84 yr)  
   first obs. used      1990-08-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:47:04  

Additional Information
 Earth MOID = 1.00868 au 
 Jupiter MOID = 2.24366 au 
 T_jup = 3.299 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.51   n/a E2021B10  
diameter diameter 7.171 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2037-May-06 19:21 00:01 Inter 0.0254774797185545 0.0254768970832261 0.0254780624996028 3.68205367339837 3.68205351734537 2465185.305939560 1.44658978372544 203.725810184106 25.5281564764166 -86.080505822754 148799.223193584 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 04:47:16 2021-Apr-13 04:47
2122-Dec-22 02:01 00:02 Amphi 0.0230607209204171 0.0230546394033356 0.0230668109387032 4.35372805823454 4.35372800097619 2496459.584146964 2.1640961520362 771.82412939862 55.1600743420051 -67.2053461444199 57657.0763074072 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 04:47:16 2021-Apr-13 04:47
2166-Oct-21 14:52 00:02 Hebe 0.0380782458783605 0.0380621254334011 0.038094369830982 8.24160263559041 8.24160261578112 2512469.119125151 2.27960031099766 989.378721758718 37.0105719971766 -35.6920549238774 89903.3809453895 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 04:47:16 2021-Apr-13 04:47

Alternate Designations
 1990 QX5 = 1992 EN23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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