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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09977536098769252 4.6664e-08  
a 2.759788458811293 1.7956e-08 au
q 2.484429569083729 1.3093e-07 au
i 3.248760271865468 6.1006e-06 deg
node 345.1050694629628 8.9939e-05 deg
peri 85.16507284399198 9.6042e-05 deg
M 343.9724271985804 3.2053e-05 deg
tp 2457475.055103172887
(2016-Mar-27.55510317)
0.00014921 JED
period 1674.60397620918
4.58
1.6343e-05
4.474e-08
d
yr
n .2149762004118347 2.098e-09 deg/d
Q 3.035147348538858 1.9747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1312  
   data-arc span      11258 days (30.82 yr)  
   first obs. used      1985-02-16  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48674  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:04:40  

Additional Information
 Earth MOID = 1.50055 au 
 Jupiter MOID = 2.20874 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 13.7 mag n/a MPO351018  

27705 (1985 DU1)          Discovered 1985-Feb-16 by Debehogne, H. at La Silla
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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