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135180 (2001 QT291)
Classification: Main-belt Asteroid          SPK-ID: 2135180
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633453661021099 3.0178e-08  
a 2.689638386575737 1.1976e-08 au
q 2.250298419638235 8.1247e-08 au
i 8.724743474268347 4.8353e-06 deg
node 354.0980980379893 2.1127e-05 deg
peri 56.31699561084371 2.6133e-05 deg
M 147.8281111493163 1.5929e-05 deg
tp 2458734.902591333959
(2019-Sep-08.40259133)
6.9245e-05 TDB
period 1611.162215819709
4.41
1.0761e-05
2.946e-08
d
yr
n .2234411882709422 1.4923e-09 deg/d
Q 3.128978353513239 1.3932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      9939 days (27.21 yr)  
   first obs. used      1994-02-12  
   last obs. used      2021-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:15:07  

Additional Information
 Earth MOID = 1.27289 au 
 Jupiter MOID = 2.33168 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457105.5 (2015-Mar-24.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604768462124422 3.0016e-08  
q 2.258914395869219 8.0631e-08 au
tp 2457119.882533200773
(2015-Apr-07.38253320)
6.7295e-05 TDB
node 354.1803305768589 2.1082e-05 deg
peri 55.83326939735368 2.6352e-05 deg
i 8.734096637209873 4.8388e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      9939 days (27.21 yr)  
   first obs. used      1994-02-12  
   last obs. used      2021-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:15:07  

Additional Information
 Jupiter MOID = 2.33168 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.009514940268378E-16 -2.401266793233462E-15 -5.837625087657016E-13 -1.424515206731378E-16 -1.527575089159548E-13 -6.347800969662576E-16
q -2.401266793233462E-15 6.501306392437835E-15 1.777759177031395E-12 5.591559727931929E-16 4.561343541275294E-13 1.480398446572209E-15
tp -5.837625087657016E-13 1.777759177031395E-12 4.528649631818077E-9 -1.18832962360605E-12 1.070687036715095E-9 -3.056520763059009E-12
node -1.424515206731378E-16 5.591559727931929E-16 -1.18832962360605E-12 4.444498429184198E-10 -4.393842423441633E-10 -1.757115410224133E-11
peri -1.527575089159548E-13 4.561343541275294E-13 1.070687036715095E-9 -4.393842423441633E-10 6.944289673700436E-10 1.668919261277437E-11
i -6.347800969662576E-16 1.480398446572209E-15 -3.056520763059009E-12 -1.757115410224133E-11 1.668919261277437E-11 2.341393124705359E-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 15.46   n/a E2021B55  

135180 (2001 QT291)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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