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24964 (1997 UY20)
Classification: Main-belt Asteroid          SPK-ID: 2024964
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2323467412200916 3.2715e-08  
a 3.09128296627963 1.8735e-08 au
q 2.373033442875379 9.8861e-08 au
i 11.62537383121611 5.3963e-06 deg
node 206.3022085200227 1.8171e-05 deg
peri 83.40041586595513 2.1295e-05 deg
M 149.5421670642501 1.1477e-05 deg
tp 2458375.853657338570
(2018-Sep-14.35365734)
6.1039e-05 TDB
period 1985.210520792874
5.44
1.8047e-05
4.941e-08
d
yr
n .1813409692470395 1.6486e-09 deg/d
Q 3.80953248968388 2.3088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      10802 days (29.57 yr)  
   first obs. used      1991-07-14  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49661  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:51:58  

Additional Information
 Earth MOID = 1.39027 au 
 Jupiter MOID = 1.57888 au 
 T_jup = 3.152 
[ 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 14.0   n/a MPO502345  

24964 (1997 UY20)          Discovered 1997-Oct-27 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 UY20 = 1991 NK2 = 1996 JH13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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