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3754 Kathleen (1931 FM)
Classification: Main-belt Asteroid          SPK-ID: 2003754
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088938216091498 6.6531e-08  
a 3.157163514168445 2.6488e-08 AU
q 2.81336791366567 2.1626e-07 AU
i 8.461581834990133 7.0799e-06 deg
node 110.5598117811244 4.5489e-05 deg
peri 56.77801834557106 5.5523e-05 deg
M 270.5943018938901 3.5588e-05 deg
tp 2457309.369870420764
(2015-Oct-13.86987042)
0.00020554 JED
period 2049.009819643205
5.61
2.5786e-05
7.06e-08
d
yr
n .1756946192003546 2.2111e-09 deg/d
Q 3.50095911467122 2.9373e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1133  
   data-arc span      38269 days (104.77 yr)  
   first obs. used      1909-04-20  
   last obs. used      2014-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59484  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 17:58:22  

Additional Information
 Earth MOID = 1.83259 AU 
 T_jup = 3.180 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.3 mag n/a MPO267722  
diameter diameter 53.23 km 1.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 17
rotation period rot_per 11.17 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Torno, S.; Oliver, R.L.; Ditteon, R. (2008) Minor Planet Bul. 35, 54-55.]
geometric albedo albedo 0.0624   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 17

3754 Kathleen (1931 FM)          Discovered 1931-Mar-16 by Tombaugh, C. W. at Flagstaff (LO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 FM = 1925 BF = 1929 WA1 = 1955 MR = 1957 WH1 = 1959 CH1 = 1959 EC1 = 1963 WD = 1977 KR = 1978 NM2 = 1982 DQ4 = 1985 UD4 = 1987 BK = A909 HE 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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