Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07790642599083826 4.5863e-08  
a 2.612431193594348 1.1915e-08 AU
q 2.408906016154432 1.192e-07 AU
i 9.733783939346146 5.8091e-06 deg
node 57.88457002119961 3.0534e-05 deg
peri 305.9929162133679 4.718e-05 deg
M 295.6871941179217 3.6461e-05 deg
tp 2457276.024786778353
(2015-Sep-10.52478678)
0.00015684 JED
period 1542.288847139969
4.22
1.0551e-05
2.889e-08
d
yr
n .2334193109595434 1.5968e-09 deg/d
Q 2.815956371034263 1.2843e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      30233 days (82.77 yr)  
   first obs. used      1931-12-02  
   last obs. used      2014-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48337  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:49:53  

Additional Information
 Earth MOID = 1.4231 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. 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:
[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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-20 08:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin