Comet 2018 C2 Lemmon

Stereo Stereo Baseline (deg) Crosseye Parallel

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Jul 31 2018 00:00:00 UTC     JD 2458330.500000
Tue Jul 31 2018 02:00:00 GMT+0200 (ora legale Europa occidentale)
Earth:1.653 AU35.831 km/s
Sun: 2.085 AU29.188 km/s

Set time Date and Time (UTC)

Edit objects -- state vectors Object Reference object Name Color Shadow Label Trail Sub Z Mass Diameter Location (x,y,z) Velocity (x,y,z)

Edit objects -- orbital elements Object Reference object Name Color Shadow Label Trail Sub Z Mass Diameter a, e, i Ω, ω, MA

Look at

Look from

Names

Stars

Rotating frame

Axes

3d

Orbits

Trails

Time step 64

Camera A Azimuth Altitude Distance Axes 3d Orbits Trails Names

Distance and speed Local time

Local time Tue Jul 31 2018 02:00:00 GMT+0200 (ora legale Europa occidentale)

Coordinated Universal Time Tue Jul 31 2018 00:00:00 (UTC)

Julian Day 2458330.5

Save as Simulation name: Keywords (optional) Description (optional) Author (optional) Share on orbitsimulator.com Create temporary link Your simulation is here: Source code:

Stars Star catalog

RA / Dec Boundaries Star brightness Grid brightness RA spacing (min) Dec spacing (deg) Color

Rotating frame Target object A + Reference object A TL ML Longitude Altitude (AU) Distance (AU)

Cities A Latitude Longitude

Cities B Latitude Longitude

Frame A Target object A Camera object A Barycenter Minimum object size Trail size Zoom Stars Hip, Proper Static KBOs Orbits Phases Sun graphic Names

Frame B Target object B Camera object B Barycenter Minimum object size Trail size Zoom Stars Star labels Static KBOs Orbits Phases Sun graphic Labels

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Collision log

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var d = UTC(elapsedTime * 1000 + startDate);
var arrd = d.split(" ");
var arrd2 = arrd[4].split(":");
d = '';
d = d + arrd[1]; //Month
d = d + " " + arrd[2]; //Date
d = d + " " + arrd[3]; //Year
d = d + " " + arrd2[0]; //Hour
d = d + ":" + arrd2[1]; //colon and minute
d = d + ":" + arrd2[2]; //colon and second
d = d + " UTC";
var oString = d;

julianDate = elapsedTime / 86400 + julianStartDate / 86400;

oString += "&nbsp&nbsp&nbsp&nbsp JD " + julianDate.toFixed(6);
var c = new Date();
      c.setTime(elapsedTime * 1000 + startDate);
oString +="<br>"+currentDate + "<br>";

oString += "<table>";
oString += "<tr><td style='text-align:left'>Earth:</td><td style = 'text-align: right; padding-left: 20px'>";
if (distance(4,12)/LD < 20) {
oString += (distance (4, 12) / LD).toFixed(3) + " LD";
} else {
oString += (distance(4, 12) / AU).toFixed(3) + " AU";
}
oString += "</td><td style = 'text-align: right; padding-left: 20px'>";
oString += (speed(4, 12) / 1000).toFixed(3) + " km/s";
oString += "</td></tr>";

oString +="<tr><td style='text-align:left'>Sun: </td><td ; style = 'text-align: right; padding-left: 20px'>";

oString += (distance(1, 12) / AU).toFixed(3) + " AU</td><td style = 'text-align: right; padding-left: 40px'>";
oString += (speed(1, 12) / 1000).toFixed(3) + " km/s</td></tr></table>";

divInBlank.innerHTML = oString;

Screen shot

Screen shots Dimensions (x, y) Clear screen after screen shot Frame A foreground Frame A background Frame A position (x, y) Frame B foreground Frame B background Frame B position (x, y)

Vectors

Distance and speed Tangential speed NaN Radial velocity NaN

Import object Importing 2018 C2 -- Lemmon (C/2018 C2)

Import objects Delete existing objects Date and Time (UTC)

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Create object with clones Paste source code here

(JD, n)			2007 WD5
(e, q, tp)
(node, peri, i)

	e	q	tp	node	peri	i
e
q
tp
node
peri
i

Create objects

____Number_of_objects		Reference_object
Name
Red (0-255)
Green (0-255)
Blue (0-255)
Radius
Mass
Semi-major axis
Eccentricity
Inclination (deg)
Ω Longitude(deg)
ω Periapsis(deg)
MA (deg)

Override	Top	Left	Height	Width
Perspective A	Top	Left	Height	Width
Perspective B	Top	Left	Height	Width

Earth:	1.653 AU	35.831 km/s
Sun:	2.085 AU	29.188 km/s