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24633 (1981 EP25)
Classification: Main-belt Asteroid          SPK-ID: 2024633
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0934433067342279 4.417e-08  
a 2.893124877176979 1.3743e-08 au
q 2.622781721858505 1.3089e-07 au
i 1.498198317909113 3.2479e-06 deg
node 232.8162560958965 0.00017579 deg
peri 275.5088705247161 0.00017674 deg
M 51.81319032567306 1.7764e-05 deg
tp 2458941.805598656125
(2020-Apr-02.30559866)
8.8637e-05 TDB
period 1797.418454614055
4.92
1.2807e-05
3.506e-08
d
yr
n .2002872503483336 1.4271e-09 deg/d
Q 3.163468032495453 1.5027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1271  
   data-arc span      15541 days (42.55 yr)  
   first obs. used      1978-09-01  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5041  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:35:56  

Additional Information
 Earth MOID = 1.63453 au 
 Jupiter MOID = 1.83851 au 
 T_jup = 3.283 
[ 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 14.73   n/a E2021B10  
diameter diameter 3.005 km 0.719 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24633 (1981 EP25)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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