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(2012 DR30 = 2009 FW54)
Classification: TransNeptunian Object          SPK-ID: 3458336
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .989087964721456 2.0654e-05  
a 1334.38807326773 2.5297 au
q 14.56088973076583 4.5655e-05 au
i 77.99854759360859 4.5083e-05 deg
node 341.5442735231692 2.2867e-05 deg
peri 195.4700854708211 0.00028701 deg
M .07188554920529858 0.00020425 deg
tp 2455645.326921432808
(2011-Mar-24.82692143)
0.011991 TDB
period 17804166.79615285
48745.15
50630
138.6
d
yr
n 2.021998581128712E-5 5.75e-08 deg/d
Q 2654.215256804694 5.0319 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      5375 days (14.72 yr)  
   first obs. used      2000-03-30  
   last obs. used      2014-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .26647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:04:05  

Additional Information
 Earth MOID = 13.6009 au 
 Jupiter MOID = 9.29588 au 
 T_jup = 0.985 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.1   n/a MPO260828  

Alternate Designations
 2012 DR30 = 2009 FW54 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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