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24628 (1981 EG3)
Classification: Main-belt Asteroid          SPK-ID: 2024628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05652202108011752 4.7846e-08  
a 3.052814742568589 2.0963e-08 au
q 2.880263483335433 1.5306e-07 au
i 8.801892835608047 4.0752e-06 deg
node 271.0312294313542 3.3511e-05 deg
peri 26.59127251091136 5.8243e-05 deg
M 45.69230774610281 4.5238e-05 deg
tp 2458953.219599893506
(2020-Apr-13.71959989)
0.00024592 TDB
period 1948.269816727098
5.33
2.0068e-05
5.494e-08
d
yr
n .1847793344172239 1.9033e-09 deg/d
Q 3.225366001801744 2.2148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      14572 days (39.90 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47099  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:45:32  

Additional Information
 Earth MOID = 1.86521 au 
 Jupiter MOID = 1.91433 au 
 T_jup = 3.216 
[ 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 14.32   n/a E2021B10  
diameter diameter 5.310 km 0.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24628 (1981 EG3)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EG3 = 1999 RL108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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