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24656 (1987 QT7)
Classification: Main-belt Asteroid          SPK-ID: 2024656
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1840873882647854 3.4439e-08  
a 2.405234006186391 7.2875e-09 au
q 1.962460759821891 8.4905e-08 au
i 2.79065491542361 3.4912e-06 deg
node 171.3284553540901 6.1473e-05 deg
peri 192.5323944676447 6.1947e-05 deg
M 310.4518866502515 8.3589e-06 deg
tp 2459388.024947144336
(2021-Jun-22.52494714)
3.2036e-05 TDB
period 1362.493471657151
3.73
6.1922e-06
1.695e-08
d
yr
n .2642214494885947 1.2008e-09 deg/d
Q 2.84800725255089 8.6291e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      16006 days (43.82 yr)  
   first obs. used      1976-09-24  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:46:11  

Additional Information
 Earth MOID = .958693 au 
 Jupiter MOID = 2.61037 au 
 T_jup = 3.498 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.18   n/a MPCxxxxx  
diameter diameter 6.607 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.040   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

24656 (1987 QT7)          Discovered 1987-Aug-29 by Elst, E. W. at La Silla
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1987 QT7 = 1976 SL3 = 1980 WG4 = 2000 CE8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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