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487331 (2014 QC174)
Classification: Outer Main-belt Asteroid          SPK-ID: 2487331
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05342887931622044 1.1171e-07  
a 3.510412340277839 1.3583e-07 au
q 3.322854942998963 3.6161e-07 au
i 10.46764285137991 1.0988e-05 deg
node 166.1055275273425 4.2495e-05 deg
peri 196.1641357278069 9.2794e-05 deg
M 301.9302419846778 8.3209e-05 deg
tp 2459388.010202510596
(2021-Jun-22.51020251)
0.00056317 TDB
period 2402.346379108472
6.58
0.00013944
3.818e-07
d
yr
n .1498534945379519 8.6977e-09 deg/d
Q 3.697969737556715 1.4309e-07 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      6024 days (16.49 yr)  
   first obs. used      2001-09-20  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64211  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:06:43  

Additional Information
 Earth MOID = 2.32038 au 
 Jupiter MOID = 1.63974 au 
 T_jup = 3.095 
[ 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 16.2   n/a MPO440945  

487331 (2014 QC174)          Discovered 2008-Sep-23 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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