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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4456042531790732 5.221e-08  
a 1.83497198994096 2.1414e-09 AU
q 1.0173006667588 9.6141e-08 AU
i 3.868160530921 7.4923e-06 deg
node 74.98461503409865 6.5126e-05 deg
peri 17.15520026863748 6.9481e-05 deg
M 226.6787555726694 8.9489e-06 deg
tp 2457136.732309609021
(2015-Apr-24.23230961)
2.3083e-05 JED
period 907.9095531937145
2.49
1.5893e-06
4.351e-09
d
yr
n .3965152682154775 6.9409e-10 deg/d
Q 2.652643313123118 3.0956e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      158  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      11114 days (30.43 yr)  
   first obs. used      1982-12-14  
   last obs. used      2013-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .81319  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:54:53  

Additional Information
 Earth MOID = .0370359 AU 
 T_jup = 3.896 
[ 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. 2013-Sep-12) 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 ]
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