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487428 (2014 QR427)
Classification: Main-belt Asteroid          SPK-ID: 2487428
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293022000199824 6.0512e-08  
a 3.10929592629781 5.079e-08 au
q 2.707257122514334 1.7451e-07 au
i 17.89985976986206 8.2104e-06 deg
node 164.3187555516568 1.8709e-05 deg
peri 59.86134595194387 3.8589e-05 deg
M 127.04874912137 3.4869e-05 deg
tp 2458293.760432523197
(2018-Jun-24.26043252)
0.00019381 TDB
period 2002.587558328457
5.48
4.9068e-05
1.343e-07
d
yr
n .1797674206567472 4.4047e-09 deg/d
Q 3.511334730081286 5.7358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6795 days (18.60 yr)  
   first obs. used      2001-02-20  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59555  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:45:16  

Additional Information
 Earth MOID = 1.75038 au 
 Jupiter MOID = 1.59727 au 
 T_jup = 3.132 
[ 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 16.1   n/a MPO440945  

487428 (2014 QR427)          Discovered 2012-Jan-19 by Pan-STARRS 1 at Haleakala
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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