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(2016 QE45)
Classification: Apollo [NEO, PHA]          SPK-ID: 3758270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5260086652674183 1.3486e-07  
a 1.253826811439222 1.1486e-08 au
q .5943030438775739 1.6696e-07 au
i 4.859241023479222 5.2518e-06 deg
node 18.96697929965733 1.0833e-05 deg
peri 95.72536686835251 1.4645e-05 deg
M 309.9108542257435 3.1369e-05 deg
tp 2459271.850312565966
(2021-Feb-26.35031257)
4.5258e-05 TDB
period 512.8079572271184
1.40
7.0467e-06
1.929e-08
d
yr
n .7020171877726128 9.6467e-09 deg/d
Q 1.91335057900087 1.7528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      6553 days (17.94 yr)  
   first obs. used      2002-09-05  
   last obs. used      2020-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:31:31  

Additional Information
 Earth MOID = .00647634 au 
 Jupiter MOID = 3.21686 au 
 T_jup = 4.982 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458145.5 (2018-Jan-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5257800086768066 1.3458e-07  
q .5946599282319368 1.6696e-07 au
tp 2458246.073174221318
(2018-May-07.57317422)
3.8669e-05 TDB
node 19.03206811101269 1.0822e-05 deg
peri 95.64587514585379 1.466e-05 deg
i 4.859663651881457 5.2507e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      6553 days (17.94 yr)  
   first obs. used      2002-09-05  
   last obs. used      2020-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:31:31  

Additional Information
 Jupiter MOID = 3.21686 au 
 T_jup = 4.982 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.811294703834759E-14 -2.24592924612531E-14 -2.935367573310847E-12 -1.828148583420153E-13 4.318754804032862E-13 -5.721455224229246E-14
q -2.24592924612531E-14 2.787559139745853E-14 3.765789120271134E-12 2.435581195558417E-13 -5.095175714085902E-13 7.579732208264764E-14
tp -2.935367573310847E-12 3.765789120271134E-12 1.495258518764769E-9 1.164208561582674E-10 2.480957656141813E-10 5.648771389622838E-11
node -1.828148583420153E-13 2.435581195558417E-13 1.164208561582674E-10 1.171201059303352E-10 -7.844473171406978E-11 -2.807630140235846E-11
peri 4.318754804032862E-13 -5.095175714085902E-13 2.480957656141813E-10 -7.844473171406978E-11 2.149231348118512E-10 4.542086379600048E-11
i -5.721455224229246E-14 7.579732208264764E-14 5.648771389622838E-11 -2.807630140235846E-11 4.542086379600048E-11 2.756991963734747E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.7   n/a E2016T21  

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