2021 AF8 |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 18 Oct 2025 | 24.7 | 3.019 AU | 2.078 AU | 03h02m | +16°38' | 156.7° | 7.5° |
2021 AF8 - 2025-10-18
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 2021 AF8 are:
e (Eccentricity) : 0.5170238
a (Semimajor axis) : 2.0154860
i (Inclination) : 9.71036
Ω (Longitude of ascending node) : 42.45481
ω (Argument of perihelion) : 168.96245
M (Mean anomaly) : 215.35629
Epoch : 2025 Nov 21
L (Longitude of perihelion) : 31.57159
B (Latitude of perihelion) : 1.85051
P (Orbital period in years) : 2.86
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
2025-10-18 00:00 UT 03 02 03.0 +16 38 03 2.078 3.019 156.7 7.5 255 24.7
2025-10-18 23:39 UT 03 01 01.2 +16 35 38 2.071 3.018 157.9 7.1 255 24.7
2025-10-19 00:00 UT 03 01 00.3 +16 35 36 2.071 3.018 157.9 7.1 255 24.7
2025-10-20 00:00 UT 02 59 56.4 +16 33 04 2.065 3.017 159.2 6.7 255 24.7
2025-10-21 00:00 UT 02 58 51.5 +16 30 27 2.059 3.015 160.4 6.3 255 24.7
2025-10-22 00:00 UT 02 57 45.6 +16 27 45 2.053 3.014 161.7 6.0 255 24.6
2025-10-23 00:00 UT 02 56 38.7 +16 24 59 2.048 3.013 163.0 5.6 255 24.6
2025-10-24 00:00 UT 02 55 31.0 +16 22 08 2.042 3.012 164.2 5.1 255 24.6
2025-10-25 00:00 UT 02 54 22.4 +16 19 13 2.037 3.011 165.5 4.7 254 24.6
2025-10-26 00:00 UT 02 53 13.1 +16 16 14 2.033 3.009 166.8 4.3 254 24.5
2025-10-27 00:00 UT 02 52 03.0 +16 13 11 2.029 3.008 168.1 3.9 254 24.5
2025-10-28 00:00 UT 02 50 52.3 +16 10 04 2.025 3.007 169.3 3.5 254 24.5
2025-10-29 00:00 UT 02 49 41.0 +16 06 54 2.021 3.005 170.6 3.1 254 24.4
2025-10-30 00:00 UT 02 48 29.2 +16 03 40 2.018 3.004 171.9 2.7 254 24.4
2025-10-31 00:00 UT 02 47 16.9 +16 00 23 2.015 3.003 173.2 2.2 254 24.4
2025-11-01 00:00 UT 02 46 04.3 +15 57 02 2.012 3.001 174.5 1.8 253 24.3
2025-11-02 00:00 UT 02 44 51.3 +15 53 40 2.010 3.000 175.8 1.4 253 24.3
2025-11-03 00:00 UT 02 43 38.1 +15 50 14 2.007 2.999 177.1 1.0 253 24.3
2025-11-04 00:00 UT 02 42 24.7 +15 46 46 2.006 2.997 178.4 0.5 251 24.2
2025-11-05 00:00 UT 02 41 11.1 +15 43 16 2.004 2.996 179.7 0.1 241 24.1
2025-11-06 00:00 UT 02 39 57.6 +15 39 44 2.003 2.994 179.0 0.3 78 24.2
2025-11-07 00:00 UT 02 38 44.0 +15 36 11 2.002 2.993 177.7 0.8 75 24.2
2025-11-08 00:00 UT 02 37 30.5 +15 32 36 2.002 2.992 176.4 1.2 75 24.3
2025-11-09 00:00 UT 02 36 17.1 +15 28 60 2.002 2.990 175.1 1.6 74 24.3
2025-11-10 00:00 UT 02 35 03.9 +15 25 23 2.002 2.989 173.8 2.1 74 24.3
2025-11-11 00:00 UT 02 33 51.0 +15 21 45 2.003 2.987 172.5 2.5 74 24.4
2025-11-12 00:00 UT 02 32 38.5 +15 18 07 2.003 2.985 171.2 2.9 74 24.4
2025-11-13 00:00 UT 02 31 26.3 +15 14 30 2.005 2.984 169.9 3.3 74 24.4
2025-11-14 00:00 UT 02 30 14.7 +15 10 52 2.006 2.982 168.6 3.8 73 24.5
2025-11-15 00:00 UT 02 29 03.5 +15 07 15 2.008 2.981 167.3 4.2 73 24.5
2025-11-16 00:00 UT 02 27 53.0 +15 03 39 2.010 2.979 166.0 4.6 73 24.5
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.