[ hide orbit diagram ]
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.
[ revert to old Java-based viewer ]
|
|
Orbital Elements at Epoch 2454326.5 (2007-Aug-14.0) TDB
Reference: JPL K1810/3 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .6330527671345312 | 5.5993e-08 | |
| a | 3.043315833693677 | 4.8306e-08 | au |
| q | 1.116736323909562 | 1.7588e-07 | au |
| i | 22.35649066304651 | 1.0161e-05 | deg |
| node | 211.710319637668 | 2.9596e-05 | deg |
| peri | 1.704070781269587 | 2.5765e-05 | deg |
| M | 318.6607259499996 | 4.4847e-06 | deg |
| tp | 2454549.179024563690
(2008-Mar-23.67902456) | 2.4166e-05 | TDB |
| period | 1939.183758910921
5.31 | 4.617e-05
1.264e-07 | d
yr |
| n | .185645119161983 | 4.4201e-09 | deg/d |
| Q | 4.969895343477792 | 7.8886e-08 | au |
|
Additional Model Parameters
| Parameter | Value | Uncertainty (1-sigma) |
| A1 [EST] | 1.607514810981455E-10 | 1.934E-11 |
| A2 [EST] | -1.042381945690657E-11 | 2.227E-13 |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| comet total magnitude |
M1 |
15.1 |
|
1. |
K1810/3 |
from 130 observations, assumed slope, autocmod 2.8 |
| comet total magnitude slope |
K1 |
14. |
|
n/a |
K1810/3 |
autocmod 2.8 |
| comet nuclear magnitude |
M2 |
18.1 |
|
01. |
K1810/3 |
from 280 observations, autocmod 2.8 |
| comet nuclear magnitude slope |
K2 |
5. |
|
n/a |
K1810/3 |
autocmod 2.8 |
| comet nuclear phase coefficient |
PC |
0.03 |
|
n/a |
K1810/3 |
autocmod 2.8 |
| diameter |
diameter |
2.6 |
km |
n/a |
Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (2004) Comets II, pp. 223-264 |
|
|
| 26P/Grigg-Skjellerup Discovered 1902-Jul-23 by Grigg, John at Thames, New Zealand |
| Reference: comet.dis | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
Perihelion
Year (est.) | New-Style
Desig | Roman
Numeral | Year/
Letter | | 1992.3 | | 1992 XVIII | |
| 1987.0 | | 1987 X | 1986m |
| 1981.7 | | 1982 IV | 1982a |
| 1976.4 | | 1977 VI | 1977b |
| 1971.1 | | 1972 II | 1972b |
| 1965.8 | | 1967 I | 1966f |
| 1960.4 | | 1961 IX | 1961g |
| 1955.1 | | 1957 I | 1956i |
| 1949.8 | | 1952 IV | 1952b |
| 1944.5 | | 1942 V | 1947a |
| 1939.2 | | 1937 III | 1937e |
| 1933.9 | | 1932 II | 1932d |
| 1928.6 | 26P/1927 F1 | 1927 V | 1927e |
| 1923.3 | 26P/1922 K1 | 1922 I | 1922b |
| 1902.0 | 26P/1902 O1 | 1902 II | 1902c |
| 1806.5 | 26P/1808 C1 | 1808 III | |
|
|
