(71) Niobe |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 28 Mar 2024 | 12.1 | 2.659 AU | 2.213 AU | 07h39m | +22°22' | 105.5° | 21.2° |
Opposition | 13 Jun 2025 | 10.6 | 2.341 AU | 1.419 AU | 17h21m | -55°32' | 147.7° | 13.4° |
(71) Niobe - 2024-03-28
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 Niobe are:
e (Eccentricity) : 0.1766717
a (Semimajor axis) : 2.7536097
i (Inclination) : 23.24443
Ω (Longitude of ascending node) : 315.91545
ω (Argument of perihelion) : 267.08732
M (Mean anomaly) : 291.74687
Epoch : 2024 Mar 31
L (Longitude of perihelion) : 42.74596
B (Latitude of perihelion) : -23.21264
P (Orbital period in years) : 4.57
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
2024-03-28 00:00 UT 07 39 47.7 +22 22 33 2.213 2.659 105.5 21.2 100 12.1
2024-03-28 18:51 UT 07 40 02.6 +22 16 34 2.222 2.658 104.8 21.3 100 12.1
2024-03-29 00:00 UT 07 40 06.8 +22 14 56 2.224 2.658 104.6 21.3 100 12.1
2024-03-30 00:00 UT 07 40 27.5 +22 07 20 2.235 2.656 103.7 21.4 100 12.2
2024-03-31 00:00 UT 07 40 49.7 +21 59 44 2.247 2.654 102.8 21.5 100 12.2
2024-04-01 00:00 UT 07 41 13.4 +21 52 08 2.258 2.652 102.0 21.6 100 12.2
2024-04-02 00:00 UT 07 41 38.6 +21 44 32 2.270 2.650 101.1 21.7 100 12.2
2024-04-03 00:00 UT 07 42 05.3 +21 36 56 2.281 2.648 100.2 21.8 100 12.2
2024-04-04 00:00 UT 07 42 33.4 +21 29 20 2.293 2.646 99.4 21.9 100 12.2
2024-04-05 00:00 UT 07 43 02.9 +21 21 44 2.304 2.644 98.5 22.0 100 12.2
2024-04-06 00:00 UT 07 43 33.8 +21 14 08 2.316 2.643 97.7 22.0 100 12.2
2024-04-07 00:00 UT 07 44 06.0 +21 06 32 2.328 2.641 96.8 22.1 100 12.3
2024-04-08 00:00 UT 07 44 39.7 +20 58 56 2.339 2.639 96.0 22.2 100 12.3
2024-04-09 00:00 UT 07 45 14.6 +20 51 20 2.351 2.637 95.2 22.2 100 12.3
2024-04-10 00:00 UT 07 45 50.9 +20 43 43 2.363 2.635 94.3 22.3 100 12.3
2024-04-11 00:00 UT 07 46 28.4 +20 36 07 2.374 2.633 93.5 22.3 100 12.3
2024-04-12 00:00 UT 07 47 07.2 +20 28 30 2.386 2.632 92.7 22.4 100 12.3
2024-04-13 00:00 UT 07 47 47.3 +20 20 52 2.398 2.630 91.9 22.4 100 12.3
2024-04-14 00:00 UT 07 48 28.6 +20 13 14 2.409 2.628 91.1 22.4 100 12.3
2024-04-15 00:00 UT 07 49 11.0 +20 05 36 2.421 2.626 90.3 22.5 101 12.3
2024-04-16 00:00 UT 07 49 54.6 +19 57 57 2.433 2.624 89.5 22.5 101 12.4
2024-04-17 00:00 UT 07 50 39.4 +19 50 17 2.444 2.622 88.8 22.5 101 12.4
2024-04-18 00:00 UT 07 51 25.3 +19 42 37 2.456 2.620 88.0 22.5 101 12.4
2024-04-19 00:00 UT 07 52 12.3 +19 34 56 2.468 2.619 87.2 22.5 101 12.4
2024-04-20 00:00 UT 07 53 00.3 +19 27 14 2.479 2.617 86.4 22.5 101 12.4
2024-04-21 00:00 UT 07 53 49.5 +19 19 31 2.491 2.615 85.7 22.5 101 12.4
2024-04-22 00:00 UT 07 54 39.6 +19 11 48 2.502 2.613 84.9 22.5 101 12.4
2024-04-23 00:00 UT 07 55 30.8 +19 04 03 2.514 2.611 84.2 22.5 101 12.4
2024-04-24 00:00 UT 07 56 22.9 +18 56 18 2.526 2.609 83.4 22.5 101 12.4
2024-04-25 00:00 UT 07 57 16.1 +18 48 31 2.537 2.607 82.7 22.5 101 12.4
2024-04-26 00:00 UT 07 58 10.2 +18 40 44 2.549 2.606 81.9 22.5 102 12.4
2024-04-27 00:00 UT 07 59 05.2 +18 32 55 2.560 2.604 81.2 22.5 102 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.