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24634 (1981 EX29)
Classification: Main-belt Asteroid          SPK-ID: 2024634
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917654864426177 3.958e-08  
a 2.665440450172548 1.6559e-08 au
q 2.15430096566138 1.0868e-07 au
i 13.12934077342809 5.5578e-06 deg
node 311.5718651540753 1.9838e-05 deg
peri 329.7356138769657 2.6432e-05 deg
M 327.7877458813495 1.9474e-05 deg
tp 2459342.723223892063
(2021-May-08.22322389)
8.6148e-05 TDB
period 1589.468418215977
4.35
1.4812e-05
4.055e-08
d
yr
n .2264908165989638 2.1106e-09 deg/d
Q 3.176579934683717 1.9734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1525  
   data-arc span      15787 days (43.22 yr)  
   first obs. used      1977-03-23  
   last obs. used      2020-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46237  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:45:38  

Additional Information
 Earth MOID = 1.1463 au 
 Jupiter MOID = 2.06401 au 
 T_jup = 3.320 
[ 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 13.99   n/a E2021B10  
diameter diameter 4.177 km 0.825 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.335   0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24634 (1981 EX29)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EX29 = 2000 SK319 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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