(80) Sappho |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 23 Oct 2025 | 11.5 | 2.059 AU | 1.414 AU | 06h12m | +17°18' | 116.3° | 25.7° |
Opposition | 16 Dec 2025 | 10.6 | 2.182 AU | 1.209 AU | 05h41m | +11°56' | 168.5° | 5.1° |
(80) Sappho - 2025-10-23
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 Sappho are:
e (Eccentricity) : 0.1996712
a (Semimajor axis) : 2.2962820
i (Inclination) : 8.67610
Ω (Longitude of ascending node) : 218.63849
ω (Argument of perihelion) : 139.69331
M (Mean anomaly) : 57.25860
Epoch : 2025 Nov 21
L (Longitude of perihelion) : 178.65678
B (Latitude of perihelion) : 5.59987
P (Orbital period in years) : 3.48
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.
Ephemerides:
Date Time RA (2000) DEC (2000) delta radius elong phase PA magn
2025-10-23 00:00 UT 06 12 27.5 +17 18 39 1.414 2.059 116.3 25.7 274 11.5
2025-10-23 10:26 UT 06 12 36.9 +17 15 47 1.411 2.060 116.7 25.6 274 11.5
2025-10-24 00:00 UT 06 12 48.5 +17 12 04 1.407 2.061 117.2 25.4 274 11.5
2025-10-25 00:00 UT 06 13 07.4 +17 05 27 1.399 2.063 118.1 25.2 275 11.5
2025-10-26 00:00 UT 06 13 24.0 +16 58 49 1.391 2.066 119.0 24.9 275 11.5
2025-10-27 00:00 UT 06 13 38.4 +16 52 09 1.383 2.068 120.0 24.6 275 11.5
2025-10-28 00:00 UT 06 13 50.5 +16 45 27 1.376 2.070 120.9 24.3 275 11.5
2025-10-29 00:00 UT 06 14 00.3 +16 38 45 1.368 2.072 121.8 24.0 276 11.4
2025-10-30 00:00 UT 06 14 07.9 +16 32 02 1.361 2.074 122.8 23.7 276 11.4
2025-10-31 00:00 UT 06 14 13.2 +16 25 17 1.354 2.076 123.7 23.4 276 11.4
2025-11-01 00:00 UT 06 14 16.2 +16 18 32 1.347 2.079 124.7 23.1 276 11.4
2025-11-02 00:00 UT 06 14 16.9 +16 11 47 1.340 2.081 125.7 22.8 277 11.4
2025-11-03 00:00 UT 06 14 15.3 +16 05 01 1.333 2.083 126.7 22.5 277 11.3
2025-11-04 00:00 UT 06 14 11.4 +15 58 15 1.326 2.085 127.7 22.1 277 11.3
2025-11-05 00:00 UT 06 14 05.2 +15 51 29 1.319 2.087 128.7 21.8 277 11.3
2025-11-06 00:00 UT 06 13 56.8 +15 44 43 1.313 2.090 129.7 21.4 278 11.3
2025-11-07 00:00 UT 06 13 46.0 +15 37 58 1.306 2.092 130.7 21.1 278 11.3
2025-11-08 00:00 UT 06 13 32.9 +15 31 13 1.300 2.094 131.7 20.7 278 11.2
2025-11-09 00:00 UT 06 13 17.5 +15 24 29 1.294 2.096 132.7 20.3 279 11.2
2025-11-10 00:00 UT 06 12 59.8 +15 17 45 1.288 2.099 133.8 19.9 279 11.2
2025-11-11 00:00 UT 06 12 39.8 +15 11 03 1.282 2.101 134.8 19.5 280 11.2
2025-11-12 00:00 UT 06 12 17.5 +15 04 22 1.276 2.103 135.9 19.1 280 11.2
2025-11-13 00:00 UT 06 11 53.0 +14 57 43 1.271 2.105 136.9 18.7 280 11.1
2025-11-14 00:00 UT 06 11 26.3 +14 51 05 1.266 2.108 138.0 18.3 281 11.1
2025-11-15 00:00 UT 06 10 57.3 +14 44 30 1.260 2.110 139.1 17.9 281 11.1
2025-11-16 00:00 UT 06 10 26.1 +14 37 56 1.256 2.112 140.1 17.5 282 11.1
2025-11-17 00:00 UT 06 09 52.7 +14 31 26 1.251 2.114 141.2 17.0 282 11.1
2025-11-18 00:00 UT 06 09 17.3 +14 24 57 1.246 2.117 142.3 16.6 283 11.0
2025-11-19 00:00 UT 06 08 39.7 +14 18 32 1.242 2.119 143.4 16.1 283 11.0
2025-11-20 00:00 UT 06 08 00.1 +14 12 10 1.237 2.121 144.5 15.7 284 11.0
2025-11-21 00:00 UT 06 07 18.5 +14 05 52 1.233 2.123 145.6 15.2 285 11.0
2025-11-22 00:00 UT 06 06 34.9 +13 59 37 1.230 2.126 146.7 14.8 285 11.0
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.