(115) Thyra |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 2 Oct 2025 | 12.2 | 2.325 AU | 1.972 AU | 19h09m | -21°48' | 97.5° | 25.3° |
Opposition | 22 Jan 2027 | 10.1 | 2.195 AU | 1.211 AU | 08h23m | +21°42' | 177.4° | 1.2° |
(115) Thyra - 2025-10-02
astro.vanbuitenen.nl
The interactive orbit chart above shows the body's path through the solar system and its position at the given date.
Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below.
(Left-click and drag to rotate the view; Right-click and drag to move the view; Use scroll wheel to zoom in our out.)
The orbital elements of Thyra are:
e (Eccentricity) : 0.1923562
a (Semimajor axis) : 2.3800179
i (Inclination) : 11.58738
Ω (Longitude of ascending node) : 308.75022
ω (Argument of perihelion) : 97.00177
M (Mean anomaly) : 301.27858
Epoch : 2025 Nov 21
L (Longitude of perihelion) : 225.89617
B (Latitude of perihelion) : 11.49978
P (Orbital period in years) : 3.67
The light curve chart below shows the estimated development of the minor planet's magnitude.
The all-sky chart below shows the path of the minor planet over the same period as the light curve. The current position is marked yellow.
The following chart shows the path of the minor planet in the next few days. The field of view is optimized for (~10x50) binoculars and finderscopes.
A more printer-friendly version of the same chart can be found below.
Ephemerides:
Date Time RA (2000) DEC (2000) delta radius elong phase PA magn
2025-10-02 00:00 UT 19 09 56.3 -21 48 15 1.972 2.325 97.5 25.3 83 12.2
2025-10-02 20:34 UT 19 10 40.1 -21 43 52 1.981 2.323 96.8 25.3 83 12.2
2025-10-03 00:00 UT 19 10 47.5 -21 43 08 1.982 2.323 96.7 25.3 83 12.2
2025-10-04 00:00 UT 19 11 40.2 -21 37 59 1.993 2.321 95.9 25.4 83 12.3
2025-10-05 00:00 UT 19 12 34.1 -21 32 49 2.003 2.318 95.2 25.4 83 12.3
2025-10-06 00:00 UT 19 13 29.5 -21 27 38 2.014 2.316 94.4 25.5 83 12.3
2025-10-07 00:00 UT 19 14 26.1 -21 22 26 2.024 2.314 93.7 25.5 83 12.3
2025-10-08 00:00 UT 19 15 24.1 -21 17 12 2.035 2.312 92.9 25.6 83 12.3
2025-10-09 00:00 UT 19 16 23.3 -21 11 57 2.045 2.310 92.2 25.6 83 12.3
2025-10-10 00:00 UT 19 17 23.8 -21 06 40 2.056 2.307 91.4 25.6 82 12.3
2025-10-11 00:00 UT 19 18 25.5 -21 01 22 2.066 2.305 90.7 25.7 82 12.3
2025-10-12 00:00 UT 19 19 28.4 -20 56 01 2.077 2.303 89.9 25.7 82 12.3
2025-10-13 00:00 UT 19 20 32.5 -20 50 39 2.087 2.301 89.2 25.7 82 12.3
2025-10-14 00:00 UT 19 21 37.8 -20 45 15 2.097 2.299 88.5 25.7 82 12.4
2025-10-15 00:00 UT 19 22 44.2 -20 39 49 2.108 2.297 87.8 25.7 82 12.4
2025-10-16 00:00 UT 19 23 51.8 -20 34 20 2.118 2.294 87.1 25.7 82 12.4
2025-10-17 00:00 UT 19 25 00.5 -20 28 50 2.129 2.292 86.3 25.7 82 12.4
2025-10-18 00:00 UT 19 26 10.4 -20 23 17 2.139 2.290 85.6 25.7 81 12.4
2025-10-19 00:00 UT 19 27 21.3 -20 17 41 2.150 2.288 84.9 25.7 81 12.4
2025-10-20 00:00 UT 19 28 33.3 -20 12 03 2.160 2.286 84.2 25.7 81 12.4
2025-10-21 00:00 UT 19 29 46.3 -20 06 23 2.170 2.283 83.5 25.7 81 12.4
2025-10-22 00:00 UT 19 31 00.4 -20 00 40 2.181 2.281 82.8 25.7 81 12.4
2025-10-23 00:00 UT 19 32 15.5 -19 54 54 2.191 2.279 82.1 25.6 81 12.4
2025-10-24 00:00 UT 19 33 31.6 -19 49 05 2.201 2.277 81.5 25.6 81 12.4
2025-10-25 00:00 UT 19 34 48.6 -19 43 13 2.211 2.275 80.8 25.6 80 12.4
2025-10-26 00:00 UT 19 36 06.6 -19 37 18 2.222 2.272 80.1 25.5 80 12.4
2025-10-27 00:00 UT 19 37 25.6 -19 31 20 2.232 2.270 79.4 25.5 80 12.5
2025-10-28 00:00 UT 19 38 45.5 -19 25 19 2.242 2.268 78.8 25.4 80 12.5
2025-10-29 00:00 UT 19 40 06.3 -19 19 15 2.252 2.266 78.1 25.4 80 12.5
2025-10-30 00:00 UT 19 41 27.9 -19 13 07 2.262 2.264 77.4 25.4 80 12.5
2025-10-31 00:00 UT 19 42 50.4 -19 06 56 2.272 2.262 76.8 25.3 80 12.5
Terminology:
delta: distance between minor planet and earth in AU
radius: distance between minor planet and sun in AU
magn: magnitude (brightness) estimate
ra: right ascension in hours (24h = 360deg)
dec: declination in degrees
elong: elongation in degrees (angle sun-earth-minor planet)
phase: phase angle in degrees (angle sun-minor planet-earth)
AU: Astronomical Unit (mean distance between earth and sun: 149597870.7 km
Orbital elements provided by the MPC (Minor Planet Center).
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.