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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090390314619516 5.797e-08  
a 3.159126862229671 2.9552e-08 AU
q 2.814658728906714 1.9177e-07 AU
i 8.460841851760108 6.3321e-06 deg
node 110.5617261952464 4.0728e-05 deg
peri 56.46726474961196 4.966e-05 deg
M 306.0290948314317 3.2951e-05 deg
tp 2457307.972463540474
(2015-Oct-12.47246354)
0.00018995 JED
period 2050.921446080076
5.62
2.8778e-05
7.879e-08
d
yr
n .1755308574533986 2.463e-09 deg/d
Q 3.503594995552629 3.2775e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      38538 days (105.51 yr)  
   first obs. used      1909-04-20  
   last obs. used      2014-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55339  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:54:08  

Additional Information
 Earth MOID = 1.83435 AU 
 T_jup = 3.179 
[ 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. 2014-Mar-01) 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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