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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .05437270925811091 | 1.9283e-08 | |
a | 2.15377918940564 | 4.7905e-09 | au |
q | 2.036672379733917 | 4.0935e-08 | au |
i | 3.073243818594511 | 8.4947e-07 | deg |
node | 359.0002285773074 | 1.2198e-05 | deg |
peri | 233.6237064997835 | 1.6437e-05 | deg |
M | 185.3914611687589 | 1.5557e-05 | deg |
tp | 2459760.467947397261 (2022-Jun-29.96794740) | 5.0154e-05 | TDB |
period | 1154.516625660839 3.16 | 3.8519e-06 1.055e-08 | d yr |
n | .3118188097065626 | 1.0403e-09 | deg/d |
Q | 2.270885999077363 | 5.051e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
13.88 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
5.010 |
km |
0.054 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
rotation period |
rot_per |
7.685 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
geometric albedo |
albedo |
0.194 |
|
0.031 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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3676 Hahn (1984 GA) Discovered 1984-Apr-03 by Bowell, E. at Flagstaff (AM) |
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory. |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1984 GA = 1950 TN4 = 1981 JQ2 = 1982 UW9 |
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