| C/2018 Y1 (Iwamoto) |
| Classification: Comet SPK-ID: 1003600 |
[ 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.
Orbital Elements at Epoch 2458539.5 (2019-Feb-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .9910749121200269 | 2.6658e-06 | |
| a | 144.1995760186021 | 0.043085 | au |
| q | 1.286993888220892 | 1.7601e-07 | au |
| i | 160.4035047857908 | 1.3962e-05 | deg |
| node | 147.4835367193609 | 9.956e-06 | deg |
| peri | 358.05706014 | 3.9755e-05 | deg |
| M | .01022809745449943 | 4.6027e-06 | deg |
| tp | 2458521.530468322186
(2019-Feb-07.03046832) | 4.2893e-05 | TDB |
| period | 632476.512155959
1731.63 | 283.46
0.7761 | d
yr |
| n | .0005691910973465991 | 2.551e-07 | deg/d |
| Q | 287.1121581489833 | 0.085785 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
7.106269692571271E-12 |
3.519614405568398E-13 |
8.752508553391212E-11 |
4.056455803749373E-12 |
7.715261170440123E-11 |
7.131702018032277E-12 |
| q |
3.519614405568398E-13 |
3.097829020724464E-14 |
5.421827037687728E-12 |
2.918687816145134E-13 |
5.031198398707318E-12 |
4.256718655831355E-13 |
| tp |
8.752508553391212E-11 |
5.421827037687728E-12 |
1.839803799188748E-9 |
6.647113034674081E-11 |
1.651260250619682E-9 |
9.746201241425958E-11 |
| node |
4.056455803749373E-12 |
2.918687816145134E-13 |
6.647113034674081E-11 |
9.912205161996647E-11 |
1.493873716847197E-10 |
5.26053952356389E-11 |
| peri |
7.715261170440123E-11 |
5.031198398707318E-12 |
1.651260250619682E-9 |
1.493873716847197E-10 |
1.580461768419417E-9 |
1.322107710521065E-10 |
| i |
7.131702018032277E-12 |
4.256718655831355E-13 |
9.746201241425958E-11 |
5.26053952356389E-11 |
1.322107710521065E-10 |
1.949413648933872E-10 |
|
[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
|
| Date/Time (TDB) |
Time Uncertainty
(days_HH:MM) |
Body |
Nominal Distance (au) |
Minimum Distance (au) |
Maximum Distance (au) |
V-relative (km/s) |
V-infinity (km/s) |
JD (TDB) |
Time Uncertainty (minutes) |
Semi-major axis (km) |
Semi-minor axis (km) |
range-LOV angle (deg) |
N-sigma |
BP |
Orbit Ref. |
Reference |
Modified |
| 2019-Feb-12 20:10 |
< 00:01 |
Earth |
0.303913621722887 |
0.303913163910354 |
0.30391407953542 |
66.1705944934412 |
66.170461999021 |
2458527.340164558 |
0.0117195534104933 |
22.9056986609524 |
10.6050321076542 |
-5.28546317297154 |
1990098.47106766 |
T |
15 |
CATAB v2.0f-lin.ifort 2020-May-20 00:54:55 |
2020-May-20 00:54 |
|
Alternate Designations
Perihelion
Year (est.) | New-Style
Desig | Roman
Numeral | Year/
Letter | | 2019.1 | C/2018 Y1 | | |
|
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