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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 2457798.5 (2017-Feb-14.0) TDB
Reference: JPL K161/12 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .8239728740011473 | 9.8455e-08 | |
| a | 3.025175690785106 | 2.272e-06 | au |
| q | .5325129824904962 | 1.0701e-07 | au |
| i | 4.248165440352516 | 4.328e-06 | deg |
| node | 88.9817832531519 | 0.00010506 | deg |
| peri | 326.2819404679929 | 0.00011177 | deg |
| M | 8.379504869779069 | 1.0277e-05 | deg |
| tp | 2457753.765747306276
(2016-Dec-31.26574731) | 4.534e-06 | TDB |
| period | 1921.871425580452
5.26 | 0.0021651
5.928e-06 | d
yr |
| n | .1873174215550196 | 2.1102e-07 | deg/d |
| Q | 5.517838399079716 | 4.1441e-06 | 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 |
| comet total magnitude |
M1 |
15.1 |
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1. |
K161/12 |
2 parameter fit from 152 observations, autocmod 2.8 |
| comet total magnitude slope |
K1 |
24.75 |
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n/a |
K161/12 |
autocmod 2.8 |
| diameter |
diameter |
1.6 |
km |
n/a |
Lamy,P.L.;Toth,I.;Fernandez,Y.R.;Weaver,H.A. (2004) Comets II, pp. 223-264 |
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| 45P/Honda-Mrkos-Pajdusakova Discovered 1948-Dec-03 by Honda, Minora at Kurashiki, Japan |
| Reference: comet.dis | Last Updated: 2003-08-29 |
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[ show close-approach data ]
Alternate Designations
Perihelion
Year (est.) | New-Style
Desig | Roman
Numeral | Year/
Letter | | 1990.7 | | 1990 XIV | 1990f |
| 1985.4 | | 1985 III | 1985c |
| 1980.2 | | 1980 I | 1980c |
| 1974.9 | | 1974 XVI | 1974f |
| 1969.6 | | 1969 V | 1969e |
| 1964.4 | | 1964 VII | 1964d |
| 1953.9 | 45P/1954 C1 | 1954 III | 1954a |
| 1948.6 | 45P/1948 X1 | 1948 XII | 1948n |
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