(511) Davida |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 18 Jul 2025 | 11.6 | 2.588 AU | 3.589 AU | 07h13m | +21°36' | 8.2° | 3.2° |
Opposition | 23 Feb 2026 | 10.6 | 2.875 AU | 1.917 AU | 10h54m | +26°22' | 162.1° | 6.1° |
(511) Davida - 2025-07-18
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 Davida are:
e (Eccentricity) : 0.1898218
a (Semimajor axis) : 3.1650291
i (Inclination) : 15.94716
Ω (Longitude of ascending node) : 107.55661
ω (Argument of perihelion) : 336.86460
M (Mean anomaly) : 0.08266
Epoch : 2025 May 05
L (Longitude of perihelion) : 85.22260
B (Latitude of perihelion) : -6.19722
P (Orbital period in years) : 5.63
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
2025-07-18 00:00 UT 07 13 53.5 +21 36 07 3.589 2.588 8.2 3.2 272 11.6
2025-07-18 22:51 UT 07 15 43.4 +21 35 44 3.588 2.588 8.7 3.4 273 11.6
2025-07-19 00:00 UT 07 15 49.0 +21 35 43 3.588 2.588 8.7 3.4 273 11.6
2025-07-20 00:00 UT 07 17 44.4 +21 35 14 3.587 2.589 9.2 3.6 274 11.6
2025-07-21 00:00 UT 07 19 39.6 +21 34 40 3.585 2.590 9.7 3.8 274 11.6
2025-07-22 00:00 UT 07 21 34.8 +21 34 01 3.584 2.590 10.2 4.0 275 11.6
2025-07-23 00:00 UT 07 23 29.9 +21 33 18 3.582 2.591 10.7 4.2 276 11.6
2025-07-24 00:00 UT 07 25 24.9 +21 32 30 3.580 2.591 11.2 4.4 276 11.6
2025-07-25 00:00 UT 07 27 19.7 +21 31 37 3.578 2.592 11.7 4.6 277 11.6
2025-07-26 00:00 UT 07 29 14.4 +21 30 39 3.576 2.593 12.3 4.8 277 11.7
2025-07-27 00:00 UT 07 31 09.0 +21 29 37 3.574 2.594 12.8 5.0 278 11.7
2025-07-28 00:00 UT 07 33 03.5 +21 28 31 3.572 2.594 13.3 5.2 278 11.7
2025-07-29 00:00 UT 07 34 57.8 +21 27 20 3.570 2.595 13.8 5.4 278 11.7
2025-07-30 00:00 UT 07 36 51.9 +21 26 04 3.567 2.596 14.3 5.5 279 11.7
2025-07-31 00:00 UT 07 38 46.0 +21 24 45 3.565 2.596 14.8 5.7 279 11.7
2025-08-01 00:00 UT 07 40 39.8 +21 23 21 3.562 2.597 15.3 5.9 280 11.7
2025-08-02 00:00 UT 07 42 33.5 +21 21 52 3.559 2.598 15.9 6.1 280 11.7
2025-08-03 00:00 UT 07 44 27.0 +21 20 20 3.556 2.599 16.4 6.3 280 11.7
2025-08-04 00:00 UT 07 46 20.4 +21 18 44 3.553 2.599 16.9 6.5 281 11.7
2025-08-05 00:00 UT 07 48 13.6 +21 17 03 3.550 2.600 17.4 6.7 281 11.7
2025-08-06 00:00 UT 07 50 06.6 +21 15 19 3.547 2.601 17.9 6.9 281 11.7
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.