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487022 (2014 OW18)
Classification: Main-belt Asteroid          SPK-ID: 2487022
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011578531429265 7.114e-08  
a 2.817504624925601 4.0025e-08 au
q 2.532491905847861 1.9627e-07 au
i 5.163989520675422 6.9879e-06 deg
node 146.7145136422971 6.4971e-05 deg
peri 33.06584215219257 7.2388e-05 deg
M 198.1750741595898 3.4222e-05 deg
tp 2459776.994348504659
(2022-Jul-16.49434850)
0.00017161 TDB
period 1727.409816565306
4.73
3.6809e-05
1.008e-07
d
yr
n .2084045120895548 4.4409e-09 deg/d
Q 3.102517344003341 4.4074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6942 days (19.01 yr)  
   first obs. used      2000-08-25  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66653  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:18:45  

Additional Information
 Earth MOID = 1.53805 au 
 Jupiter MOID = 1.86001 au 
 T_jup = 3.305 
[ 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 17.2   n/a MPO446843  

487022 (2014 OW18)          Discovered 2008-Feb-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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