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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03830187205022276 | 4.7015e-08 | |
a | 5.162119269214246 | 9.9529e-08 | au |
q | 4.964400437456812 | 2.9035e-07 | au |
i | 27.42414642970271 | 5.2214e-06 | deg |
node | 93.25376659836253 | 1.1209e-05 | deg |
peri | 195.7013194084579 | 0.0001077 | deg |
M | 256.066791617947 | 0.00011221 | deg |
tp | 2459837.279596531604 (2022-Sep-14.77959653) | 0.0013452 | TDB |
period | 4283.911385807474 11.73 | 0.0001239 3.392e-07 | d yr |
n | .08403535170981218 | 2.4304e-09 | deg/d |
Q | 5.35983810097168 | 1.0334e-07 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2456849.5 (2014-Jul-11.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03666958639738064 | 4.6869e-08 | |
q | 4.983026335300843 | 2.9019e-07 | au |
tp | 2455564.593198899886 (2011-Jan-03.09319890) | 0.0013758 | TDB |
node | 93.24295861695425 | 1.1211e-05 | deg |
peri | 197.0598177728351 | 0.0001125 | deg |
i | 27.40580390017171 | 5.2178e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
2.196736281989533E-15 |
-1.291096249492485E-14 |
-2.970285192665256E-12 |
-4.053138617822875E-15 |
-3.087898678974853E-13 |
2.392692281394597E-15 |
q |
-1.291096249492485E-14 |
8.420962810795292E-14 |
4.347210663757217E-11 |
2.344830520351055E-14 |
4.178695674807242E-12 |
-4.271969913806214E-15 |
tp |
-2.970285192665256E-12 |
4.347210663757217E-11 |
1.892923016929744E-6 |
-2.14997687554604E-10 |
1.540376886976359E-7 |
1.300509478568649E-10 |
node |
-4.053138617822875E-15 |
2.344830520351055E-14 |
-2.14997687554604E-10 |
1.256960196922596E-10 |
-1.286655564329501E-10 |
-6.649394307846496E-12 |
peri |
-3.087898678974853E-13 |
4.178695674807242E-12 |
1.540376886976359E-7 |
-1.286655564329501E-10 |
1.265697727644769E-8 |
1.661903184955558E-11 |
i |
2.392692281394597E-15 |
-4.271969913806214E-15 |
1.300509478568649E-10 |
-6.649394307846496E-12 |
1.661903184955558E-11 |
2.722530317843885E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.8 |
|
n/a |
MPO279875 |
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diameter |
diameter |
61.684 |
km |
0.917 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G) |
|
rotation period |
rot_per |
19.633 |
h |
n/a |
LCDB (Rev. 2019-January); Warner et al., 2009 |
Published Reference List: [Molnar, L.A.; Haegert, M.J.; Hoogenboom, K.M. (2008) Minor Planet Bull. 35, 82-84.] |
geometric albedo |
albedo |
0.061 |
|
0.004 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G) |
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|
34746 (2001 QE91) Discovered 2001-Aug-22 by LINEAR at Socorro |
Reference: 20020128/Numbers.arc | Last Updated: 2004-04-19 |
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Alternate Designations
2001 QE91 = 1949 KS = 1990 VD1 = 1991 XC5 |
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