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487281 (2014 QN1)
Classification: Main-belt Asteroid          SPK-ID: 2487281
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212915628452146 7.361e-08  
a 2.703474313202543 4.0463e-08 au
q 2.375565688642314 1.763e-07 au
i 12.46750355537071 7.7062e-06 deg
node 184.5479993291084 2.5753e-05 deg
peri 136.7505096399248 5.0996e-05 deg
M 172.4797484826713 5.0463e-05 deg
tp 2458422.611398811366
(2018-Oct-31.11139881)
0.00021463 TDB
period 1623.610301449641
4.45
3.6451e-05
9.98e-08
d
yr
n .2217280831974112 4.9779e-09 deg/d
Q 3.031382937762773 4.537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      7018 days (19.21 yr)  
   first obs. used      2001-11-21  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:20:52  

Additional Information
 Earth MOID = 1.37894 au 
 Jupiter MOID = 2.38723 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457726.5 (2016-Dec-04.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1224822466131867 7.3695e-08  
q 2.372057687993166 1.7667e-07 au
tp 2458419.764962191218
(2018-Oct-28.26496219)
0.00021315 TDB
node 184.5923277692249 2.5723e-05 deg
peri 136.1813123118089 5.0742e-05 deg
i 12.4749627390131 7.7094e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      7018 days (19.21 yr)  
   first obs. used      2001-11-21  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:20:52  

Additional Information
 Jupiter MOID = 2.38723 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.430987039133133E-15 -1.287984091941978E-14 1.105016666435185E-11 -3.140520626563274E-14 2.127243584473226E-12 -1.997102052932512E-14
q -1.287984091941978E-14 3.121333931432536E-14 -2.429765281705581E-11 7.692478380793933E-14 -4.690129898364683E-12 4.566224290225372E-14
tp 1.105016666435185E-11 -2.429765281705581E-11 4.543366090304719E-8 -9.650096354635252E-11 9.322562969769569E-9 -8.449909323810617E-11
node -3.140520626563274E-14 7.692478380793933E-14 -9.650096354635252E-11 6.616684316093143E-10 -6.650962947789976E-10 7.108872311110361E-11
peri 2.127243584473226E-12 -4.690129898364683E-12 9.322562969769569E-9 -6.650962947789976E-10 2.574726489656656E-9 -8.678346780457735E-11
i -1.997102052932512E-14 4.566224290225372E-14 -8.449909323810617E-11 7.108872311110361E-11 -8.678346780457735E-11 5.943545028219503E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.88   n/a MPCxxxxx  

487281 (2014 QN1)          Discovered 2008-Feb-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2014 QN1 = 2013 GJ90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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