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1237 Genevieve (1931 XB)
Classification: Main-belt Asteroid          SPK-ID: 2001237
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07797760648238559 6.4966e-08  
a 2.612156345077279 1.1972e-08 AU
q 2.408466645530376 1.6882e-07 AU
i 9.734626468367711 7.3972e-06 deg
node 57.88749858983903 3.9221e-05 deg
peri 306.0693488521811 6.0369e-05 deg
M 248.9279425303846 4.5698e-05 deg
tp 2457276.272672705527
(2015-Sep-10.77267271)
0.00019655 JED
period 1542.045461981689
4.22
1.0601e-05
2.902e-08
d
yr
n .2334561521534926 1.6049e-09 deg/d
Q 2.815846044624182 1.2905e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      30056 days (82.29 yr)  
   first obs. used      1931-12-02  
   last obs. used      2014-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49659  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:37:52  

Additional Information
 Earth MOID = 1.4213 AU 
 T_jup = 3.384 
[ 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 10.70 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
diameter diameter 39.81 km 1.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
rotation period rot_per 16.37 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:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
geometric albedo albedo 0.0585   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
B-V BV .610 mag .020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=7.94 deg.
U-B UB .250 mag .060 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=7.94 deg.

1237 Genevieve (1931 XB)          Discovered 1931-Dec-02 by Reiss, G. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 XB = 1929 GA = 1984 MM = A908 HA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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