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27705 (1985 DU1)
Classification: Main-belt Asteroid          SPK-ID: 2027705
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000900141406214 5.0499e-08  
a 2.760556138303684 2.4217e-08 AU
q 2.484252035384889 1.3687e-07 AU
i 3.248583660610494 6.6789e-06 deg
node 345.1102057787227 9.6869e-05 deg
peri 85.03027304619572 0.00010336 deg
M 215.1799421113645 3.6405e-05 deg
tp 2457474.437337487556
(2016-Mar-26.93733749)
0.00017294 JED
period 1675.302751792084
4.59
2.2045e-05
6.036e-08
d
yr
n .2148865329654029 2.8277e-09 deg/d
Q 3.036860241222479 2.6641e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1126  
   data-arc span      10733 days (29.39 yr)  
   first obs. used      1985-02-16  
   last obs. used      2014-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49128  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:57:36  

Additional Information
 Earth MOID = 1.50022 AU 
 T_jup = 3.332 
[ 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 13.6 mag n/a MPO266096  

27705 (1985 DU1)          Discovered 1985-Feb-16 by Debehogne, H. at La Silla (809)
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1985 DU1 = 1997 WZ40 = 1999 FS18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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