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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07773183044075864 4.4759e-08  
a 2.612095082883712 1.0133e-08 au
q 2.409052150805856 1.1659e-07 au
i 9.734141271975496 5.3056e-06 deg
node 57.87480060029515 2.7812e-05 deg
peri 305.8974938437075 4.2136e-05 deg
M 29.14787417825607 3.04e-05 deg
tp 2457275.650650262858
(2015-Sep-10.15065026)
0.00013014 JED
period 1541.991214539418
4.22
8.9726e-06
2.457e-08
d
yr
n .2334643651698947 1.3585e-09 deg/d
Q 2.815138014961568 1.0921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1441  
   data-arc span      30693 days (84.03 yr)  
   first obs. used      1931-12-02  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47811  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:37:51  

Additional Information
 Earth MOID = 1.42149 au 
 Jupiter MOID = 2.53255 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 10.8 mag n/a MPO350808  
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 LCDB (Rev. 2015-December); 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:
[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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