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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457036.5 (2015-Jan-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2680281737955751 3.6859e-08  
q 1.954940226498179 9.8597e-08 au
tp 2456287.491238386292
(2012-Dec-25.99123839)
4.406e-05 TDB
node 331.7587275028818 1.9672e-05 deg
peri 70.02231160494971 2.2422e-05 deg
i 11.87739537146001 5.5596e-06 deg
  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
 Jupiter MOID = 2.24366 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.358618900582922E-15 -3.613284366943169E-15 -4.605570903475943E-13 6.724979926863227E-15 -1.190876070655057E-13 -4.828449893078398E-16
q -3.613284366943169E-15 9.721299656832223E-15 1.35738670063184E-12 -1.843119572052901E-14 3.566125114520483E-13 2.234427202257463E-15
tp -4.605570903475943E-13 1.35738670063184E-12 1.94131178263012E-9 -1.553441500667794E-11 4.867960522524742E-10 1.365669425849212E-12
node 6.724979926863227E-15 -1.843119572052901E-14 -1.553441500667794E-11 3.870055976402135E-10 -3.81696125149767E-10 1.022455832935714E-11
peri -1.190876070655057E-13 3.566125114520483E-13 4.867960522524742E-10 -3.81696125149767E-10 5.02738200228344E-10 -9.620578490639048E-12
i -4.828449893078398E-16 2.234427202257463E-15 1.365669425849212E-12 1.022455832935714E-11 -9.620578490639048E-12 3.090940464901901E-11

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

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