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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2097942974978109 4.4224e-08  
a 2.789353797575147 1.8716e-08 au
q 2.204163277140018 1.2357e-07 au
i 8.140215884060545 7.6351e-06 deg
node 151.9888640687565 3.8461e-05 deg
peri 288.3529683348228 4.3648e-05 deg
M 164.3451507728837 1.9158e-05 deg
tp 2456823.701774480459
(2014-Jun-15.20177448)
8.8704e-05 JED
period 1701.585716839875
4.66
1.7126e-05
4.689e-08
d
yr
n .2115673612191453 2.1293e-09 deg/d
Q 3.374544318010277 2.2642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      10645 days (29.14 yr)  
   first obs. used      1987-02-22  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49985  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:00:05  

Additional Information
 Earth MOID = 1.23434 au 
 Jupiter MOID = 1.94291 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. 2016-February); 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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