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487373 (2014 QX257)
Classification: Main-belt Asteroid          SPK-ID: 2487373
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212534366309664 9.8974e-08  
a 2.598237457605225 5.017e-08 au
q 2.046022706031066 2.6805e-07 au
i 18.43000665928983 9.607e-06 deg
node 134.4600913221976 3.1424e-05 deg
peri 88.88759573076149 3.8294e-05 deg
M 247.1127330609745 2.3244e-05 deg
tp 2459480.188320146020
(2021-Sep-22.68832015)
0.00010506 TDB
period 1529.73670047165
4.19
4.4307e-05
1.213e-07
d
yr
n .2353346166624651 6.8162e-09 deg/d
Q 3.150452209179384 6.0833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5290 days (14.48 yr)  
   first obs. used      2004-02-16  
   last obs. used      2018-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:07:08  

Additional Information
 Earth MOID = 1.13471 au 
 Jupiter MOID = 2.14655 au 
 T_jup = 3.313 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO456349  

487373 (2014 QX257)          Discovered 2013-Apr-21 by CSS at Catalina
Reference: Last Updated: 2017-03-14

Alternate Designations
 2014 QX257 = 2015 XN255 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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