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JPL Small-Body Database Browser
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2224 Tucson (2528 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2002224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04452233894948372 3.1892e-08  
a 2.880439251856991 1.274e-08 au
q 2.752195359162417 9.1647e-08 au
i 2.666551263923296 3.7514e-06 deg
node 51.22817037465965 7.8135e-05 deg
peri 243.7855236520025 8.998e-05 deg
M 60.0795604785143 4.5052e-05 deg
tp 2458302.503781090506
(2018-Jul-03.00378109)
0.0002235 TDB
period 1785.609580912012
4.89
1.1846e-05
3.243e-08
d
yr
n .2016118214465043 1.3375e-09 deg/d
Q 3.008683144551566 1.3307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2795  
   data-arc span      24857 days (68.05 yr)  
   first obs. used      1951-11-08  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:32:15  

Additional Information
 Earth MOID = 1.73681 au 
 Jupiter MOID = 2.07122 au 
 T_jup = 3.291 
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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 11.9   n/a MPO416731  
diameter diameter 22.73 km 2.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 27.01 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.]
geometric albedo albedo 0.1242   0.028 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

2224 Tucson           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named for the city in Arizona. Prominent astronomical institutions in Tucson are the Lunar and Planetary Laboratory of the University of Arizona, Kitt Peak National Observatory, and Steward Observatory. Name proposed by E. Bowell.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5524Last Updated: 2006-03-21

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Alternate Designations
 2528 P-L = 1975 VO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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