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91014 (1998 DN12)
Classification: Main-belt Asteroid          SPK-ID: 2091014
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113601395397858 5.7143e-08  
a 2.612624784975116 1.4439e-08 au
q 2.315826963750914 1.4842e-07 au
i 3.672603504124765 4.6488e-06 deg
node 97.6904596645778 0.00010284 deg
peri 316.0523148900034 0.00010629 deg
M 207.6496222353379 2.5331e-05 deg
tp 2459653.262241869990
(2022-Mar-14.76224187)
0.00010828 TDB
period 1542.460284779837
4.22
1.2787e-05
3.501e-08
d
yr
n .2333933674353143 1.9348e-09 deg/d
Q 2.909422606199318 1.6079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1998-02-23  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:05  

Additional Information
 Earth MOID = 1.32892 au 
 Jupiter MOID = 2.40481 au 
 T_jup = 3.397 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO474788  

91014 (1998 DN12)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 DN12 = 2000 SP73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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