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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2097705130002057 4.4628e-08  
a 2.789630350122757 1.9157e-08 au
q 2.204448160496563 1.2509e-07 au
i 8.140225131756239 8.3419e-06 deg
node 151.990721065411 3.9068e-05 deg
peri 288.3927408832066 4.55e-05 deg
M 121.9772491964744 2.0651e-05 deg
tp 2456823.873297137418
(2014-Jun-15.37329714)
9.6788e-05 JED
period 1701.83878057589
4.66
1.753e-05
4.799e-08
d
yr
n .2115359011140752 2.179e-09 deg/d
Q 3.374812539748951 2.3175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      10361 days (28.37 yr)  
   first obs. used      1987-02-22  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50046  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:22:57  

Additional Information
 Earth MOID = 1.23567 au 
 Jupiter MOID = 1.94388 au 
 T_jup = 3.283 
[ 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 13.5 mag n/a MPO337321  
rotation period rot_per 7.04 h n/a LCDB (Rev. 2015-December); 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
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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