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4334 Foo (1983 RO3)
Classification: Main-belt Asteroid          SPK-ID: 2004334
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961041164963181 4.8979e-08  
a 3.138253639822785 2.7268e-08 AU
q 2.522829182443983 1.5485e-07 AU
i 1.634245842609913 5.6673e-06 deg
node 61.80484469227063 0.00017537 deg
peri 349.0046613948206 0.00017593 deg
M 164.5062718803102 1.5778e-05 deg
tp 2456072.580186382782
(2012-May-25.08018638)
8.2201e-05 JED
period 2030.628553452624
5.56
2.6466e-05
7.246e-08
d
yr
n .1772850083231133 2.3106e-09 deg/d
Q 3.753678097201587 3.2615e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      13386 days (36.65 yr)  
   first obs. used      1978-10-28  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47594  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:48:22  

Additional Information
 Earth MOID = 1.53318 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 13.0 mag n/a MPO263386  
rotation period rot_per 7.42 h n/a LCDB (Rev. 2015-May); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]

4334 Foo           Discovered 1983 Sept. 2 by H. Debehogne at the European Southern Observatory.
Lillian Foo (b. 1972) is a consultant at the World Bank who helped develop a radio program that was broadcast in Ghana, Kenya, Tanzania and Uganda. She was previously a photojournalist at The Straits Times in Singapore. The name was suggested by T. H. Burbine.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

[ show close-approach data ]
Alternate Designations
 1983 RO3 = 1980 DQ2 = 1984 YU3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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