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24725 (1991 UD3)
Classification: Main-belt Asteroid          SPK-ID: 2024725
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2425479156566515 2.5897e-08  
a 2.553021500303408 7.0245e-09 au
q 1.933791456778199 6.4022e-08 au
i 7.13672934918813 2.6583e-06 deg
node 209.3286611453782 2.7902e-05 deg
peri 227.0329883068631 2.8837e-05 deg
M 25.87930980305264 8.2808e-06 deg
tp 2459093.389924843264
(2020-Aug-31.88992484)
3.4148e-05 TDB
period 1489.978958089399
4.08
6.1494e-06
1.684e-08
d
yr
n .2416141503512427 9.9718e-10 deg/d
Q 3.172251543828617 8.7282e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2017  
   data-arc span      13620 days (37.29 yr)  
   first obs. used      1983-12-06  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:37:04  

Additional Information
 Earth MOID = .956222 au 
 Jupiter MOID = 2.14827 au 
 T_jup = 3.387 
[ 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 14.33   n/a MPCxxxxx  
diameter diameter 4.756 km 1.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24725 (1991 UD3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 UD3 = 1983 XK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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