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150759 (2001 QE157)
Classification: Main-belt Asteroid          SPK-ID: 2150759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2417512384615573 3.3321e-08  
a 2.247373686413465 5.9895e-09 au
q 1.704068314437095 7.5988e-08 au
i 3.968642191000771 3.849e-06 deg
node 200.5254426978152 5.5851e-05 deg
peri 88.58974347844568 5.6492e-05 deg
M 347.3434945682114 7.493e-06 deg
tp 2459439.763601864305
(2021-Aug-13.26360186)
2.5631e-05 TDB
period 1230.584283717948
3.37
4.9195e-06
1.347e-08
d
yr
n .2925439604285671 1.1695e-09 deg/d
Q 2.790679058389835 7.4375e-09 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8344 days (22.84 yr)  
   first obs. used      1998-09-29  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51082  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:05:57  

Additional Information
 Earth MOID = .693405 au 
 Jupiter MOID = 2.40175 au 
 T_jup = 3.588 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457478.5 (2016-Mar-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .242055117304153 3.327e-08  
q 1.703147342124092 7.5877e-08 au
tp 2456978.149730206661
(2014-Nov-16.64973021)
2.6368e-05 TDB
node 200.5570450644659 5.5866e-05 deg
peri 88.51338443044314 5.6507e-05 deg
i 3.967853909949084 3.8492e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8344 days (22.84 yr)  
   first obs. used      1998-09-29  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51082  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:05:57  

Additional Information
 Jupiter MOID = 2.40175 au 
 T_jup = 3.588 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.106910303235991E-15 -2.520111039405618E-15 -7.615934137569406E-14 1.683814192434417E-14 -4.875080394003081E-14 -3.029497455743294E-15
q -2.520111039405618E-15 5.757316935338649E-15 1.388411899214905E-13 -3.838213794832361E-14 1.034595070770845E-13 7.144637138668907E-15
tp -7.615934137569406E-14 1.388411899214905E-13 6.952955370914431E-10 -9.192316553726706E-12 2.341274857059838E-10 1.23334424436096E-12
node 1.683814192434417E-14 -3.838213794832361E-14 -9.192316553726706E-12 3.121048503172471E-9 -3.116282763553093E-9 1.383717737233301E-11
peri -4.875080394003081E-14 1.034595070770845E-13 2.341274857059838E-10 -3.116282763553093E-9 3.193005631368503E-9 -1.337716724422646E-11
i -3.029497455743294E-15 7.144637138668907E-15 1.23334424436096E-12 1.383717737233301E-11 -1.337716724422646E-11 1.481616061164554E-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 16.70   n/a MPO637793  

150759 (2001 QE157)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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