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24629 (1981 EA4)
Classification: Main-belt Asteroid          SPK-ID: 2024629
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03668123001961695 4.6345e-08  
a 2.235750278427538 7.6657e-09 au
q 2.153740208198115 1.0377e-07 au
i 6.135427708667753 4.3291e-06 deg
node 228.2397086444715 4.1167e-05 deg
peri 283.1543935034028 6.8735e-05 deg
M 345.8196977057384 5.4656e-05 deg
tp 2459248.596819150077
(2021-Feb-03.09681915)
0.00018536 TDB
period 1221.049772756578
3.34
6.2799e-06
1.719e-08
d
yr
n .2948282764815416 1.5163e-09 deg/d
Q 2.317760348656961 7.9468e-09 au
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      15131 days (41.43 yr)  
   first obs. used      1979-10-18  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:35:54  

Additional Information
 Earth MOID = 1.17145 au 
 Jupiter MOID = 2.67192 au 
 T_jup = 3.630 
[ 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 16.2   n/a MPO526191  

24629 (1981 EA4)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EA4 = 1999 TG125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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