(59) Elpis |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Opposition | 6 Aug 2025 | 11.4 | 2.560 AU | 1.553 AU | 20h58m | -08°27' | 171.6° | 3.3° |
Today | 31 Aug 2025 | 11.8 | 2.533 AU | 1.601 AU | 20h40m | -11°17' | 151.3° | 11.0° |
(59) Elpis - 2025-08-31
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 Elpis are:
e (Eccentricity) : 0.1167475
a (Semimajor axis) : 2.7141370
i (Inclination) : 8.64746
Ω (Longitude of ascending node) : 169.91249
ω (Argument of perihelion) : 211.08400
M (Mean anomaly) : 284.25821
Epoch : 2025 May 05
L (Longitude of perihelion) : 200.70763
B (Latitude of perihelion) : -4.45218
P (Orbital period in years) : 4.47
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
2025-08-31 00:00 UT 20 40 36.8 -11 17 57 1.601 2.533 151.3 11.0 88 11.8
2025-08-31 03:27 UT 20 40 32.3 -11 18 55 1.602 2.533 151.1 11.1 88 11.8
2025-09-01 00:00 UT 20 40 05.9 -11 24 43 1.606 2.532 150.2 11.4 87 11.8
2025-09-02 00:00 UT 20 39 36.4 -11 31 26 1.612 2.531 149.2 11.8 86 11.9
2025-09-03 00:00 UT 20 39 08.3 -11 38 05 1.617 2.530 148.1 12.2 86 11.9
2025-09-04 00:00 UT 20 38 41.6 -11 44 39 1.623 2.529 147.0 12.5 85 11.9
2025-09-05 00:00 UT 20 38 16.3 -11 51 09 1.629 2.528 146.0 12.9 85 11.9
2025-09-06 00:00 UT 20 37 52.5 -11 57 34 1.635 2.527 144.9 13.3 84 12.0
2025-09-07 00:00 UT 20 37 30.2 -12 03 54 1.641 2.526 143.9 13.6 84 12.0
2025-09-08 00:00 UT 20 37 09.5 -12 10 09 1.648 2.525 142.8 14.0 84 12.0
2025-09-09 00:00 UT 20 36 50.2 -12 16 18 1.655 2.524 141.8 14.3 83 12.0
2025-09-10 00:00 UT 20 36 32.5 -12 22 22 1.661 2.523 140.7 14.6 83 12.0
2025-09-11 00:00 UT 20 36 16.4 -12 28 20 1.669 2.522 139.7 15.0 82 12.1
2025-09-12 00:00 UT 20 36 01.9 -12 34 12 1.676 2.521 138.7 15.3 82 12.1
2025-09-13 00:00 UT 20 35 49.0 -12 39 58 1.683 2.520 137.6 15.6 82 12.1
2025-09-14 00:00 UT 20 35 37.6 -12 45 38 1.691 2.519 136.6 15.9 82 12.1
2025-09-15 00:00 UT 20 35 28.0 -12 51 11 1.699 2.518 135.6 16.2 81 12.1
2025-09-16 00:00 UT 20 35 19.9 -12 56 38 1.707 2.517 134.6 16.5 81 12.2
2025-09-17 00:00 UT 20 35 13.5 -13 01 58 1.715 2.516 133.6 16.8 81 12.2
2025-09-18 00:00 UT 20 35 08.8 -13 07 11 1.723 2.515 132.6 17.1 80 12.2
2025-09-19 00:00 UT 20 35 05.7 -13 12 17 1.732 2.514 131.6 17.4 80 12.2
2025-09-20 00:00 UT 20 35 04.3 -13 17 16 1.741 2.513 130.6 17.7 80 12.2
2025-09-21 00:00 UT 20 35 04.6 -13 22 08 1.749 2.512 129.6 17.9 80 12.2
2025-09-22 00:00 UT 20 35 06.6 -13 26 53 1.758 2.510 128.6 18.2 80 12.3
2025-09-23 00:00 UT 20 35 10.2 -13 31 29 1.767 2.509 127.6 18.5 79 12.3
2025-09-24 00:00 UT 20 35 15.6 -13 35 59 1.777 2.508 126.7 18.7 79 12.3
2025-09-25 00:00 UT 20 35 22.6 -13 40 21 1.786 2.507 125.7 18.9 79 12.3
2025-09-26 00:00 UT 20 35 31.2 -13 44 35 1.795 2.506 124.8 19.2 79 12.3
2025-09-27 00:00 UT 20 35 41.6 -13 48 41 1.805 2.505 123.8 19.4 79 12.4
2025-09-28 00:00 UT 20 35 53.6 -13 52 39 1.815 2.504 122.9 19.6 78 12.4
2025-09-29 00:00 UT 20 36 07.2 -13 56 30 1.825 2.503 121.9 19.9 78 12.4
2025-09-30 00:00 UT 20 36 22.5 -14 00 12 1.835 2.503 121.0 20.1 78 12.4
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.