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12684 (1984 DQ)
Classification: Main-belt Asteroid          SPK-ID: 2012684
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2308915888186454 1.4772e-07  
a 2.5480384154618 3.4818e-08 AU
q 1.959717777344881 3.7541e-07 AU
i 11.04901783613718 1.069e-05 deg
node 330.5872899774134 6.2601e-05 deg
peri 251.3789225649424 7.9976e-05 deg
M 100.7185086306724 7.8278e-05 deg
tp 2456384.863030581301
(2013-Apr-02.36303058)
0.00031895 JED
period 1485.618790677409
4.07
3.045e-05
8.337e-08
d
yr
n .2423232677582437 4.9669e-09 deg/d
Q 3.136359053578718 4.2857e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      12524 days (34.29 yr)  
   first obs. used      1980-03-16  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52182  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:28:56  

Additional Information
 Earth MOID = .985773 AU 
 T_jup = 3.379 
[ 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 PDS3 (MPC 37033)  

12684 (1984 DQ)          Discovered 1984-Feb-23 by Debehogne, H. at La Silla (809)
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1984 DQ = 1980 FU9 = 1988 FF1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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