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 ]  
3757 (1982 XB)
Classification: Amor [NEO, PHA]          SPK-ID: 2003757
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4455898594364052 4.9286e-08  
a 1.83483474681788 2.1173e-09 AU
q 1.017250989894269 9.0715e-08 AU
i 3.868007745276564 7.2687e-06 deg
node 74.98092298998536 6.4105e-05 deg
peri 17.16830106174853 6.7756e-05 deg
M 305.9690874184476 9.046e-06 deg
tp 2457136.749106457326
(2015-Apr-24.24910646)
2.3018e-05 JED
period 907.807697132703
2.49
1.5714e-06
4.302e-09
d
yr
n .3965597572449039 6.8642e-10 deg/d
Q 2.652418503741491 3.0608e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      161  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      11551 days (31.62 yr)  
   first obs. used      1982-12-14  
   last obs. used      2014-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .80604  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:01:52  

Additional Information
 Earth MOID = .0373373 AU 
 T_jup = 3.897 
[ 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 18.95 mag n/a PDS3 (MPC 17270)  
diameter diameter 0.5 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
rotation period rot_per 9.0046 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Harris, A.W.; Young, J.W. (1985) Bul. Amer. Astron. Soc. 17, 726.]
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Harris, A.W.; Young, J.W.; Bowell, E.; Tholen, D.J. (1999) Icarus 142, 173-201.]
geometric albedo albedo 0.18   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
B-V BV .859 mag .012 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=31.70, mean=39.95, max.=44.15) deg.
U-B UB .522 mag .009 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=31.70, mean=39.95, max.=44.15) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices; used ground-based radiometric albedo

3757 (1982 XB)          Discovered 1982-Dec-14 by Helin, E. F. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-02 16:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin