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7745 (1987 DB6)
Classification: Main-belt Asteroid          SPK-ID: 2007745
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095255251727755 5.5955e-08  
a 2.791795101341048 2.2938e-08 AU
q 2.206842766557783 1.6288e-07 AU
i 8.138370491754143 8.4144e-06 deg
node 151.990035400621 4.6975e-05 deg
peri 288.6391612305374 5.2594e-05 deg
M 37.19079681654669 2.105e-05 deg
tp 2456824.482146451470
(2014-Jun-15.98214645)
9.9201e-05 JED
period 1703.820103399297
4.66
2.0998e-05
5.749e-08
d
yr
n .2112899121695787 2.604e-09 deg/d
Q 3.376747436124313 2.7744e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      10204 days (27.94 yr)  
   first obs. used      1987-02-22  
   last obs. used      2015-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4857  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:20:55  

Additional Information
 Earth MOID = 1.23826 AU 
 T_jup = 3.282 
[ 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 13.4 mag n/a MPO272675  
rotation period rot_per 7.04 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Polishook, D. (2014) Minor Planet Bul. 41, 49-53.]

7745 (1987 DB6)          Discovered 1987-Feb-22 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 DB6 = 1990 UQ6 = 1994 PW34 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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