|
2021 JG2 |
| ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
| Today | 21 Sep 2026 | 27.5 | 1.214 AU | 0.521 AU | 05h04m | +18°45' | 100.7° | 54.3° |
2021 JG2 - 2026-09-21
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 JG2 are:
e (Eccentricity) : 0.3800718
a (Semimajor axis) : 1.4078961
i (Inclination) : 1.87570
Ω (Longitude of ascending node) : 134.42778
ω (Argument of perihelion) : 156.91068
M (Mean anomaly) : 347.11788
Epoch : 2026 Jun 09
L (Longitude of perihelion) : 111.34954
B (Latitude of perihelion) : 0.73547
P (Orbital period in years) : 1.67
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
2026-09-21 00:00 UT 05 04 44.6 +18 45 05 0.521 1.214 100.7 54.3 265 27.5
2026-09-21 07:16 UT 05 04 51.1 +18 44 24 0.520 1.216 101.0 54.1 265 27.5
2026-09-22 00:00 UT 05 05 04.7 +18 42 47 0.520 1.220 101.6 53.7 265 27.4
2026-09-23 00:00 UT 05 05 21.3 +18 40 25 0.519 1.226 102.6 53.0 266 27.4
2026-09-24 00:00 UT 05 05 34.4 +18 37 58 0.518 1.232 103.5 52.4 266 27.4
2026-09-25 00:00 UT 05 05 43.9 +18 35 27 0.518 1.238 104.4 51.7 266 27.4
2026-09-26 00:00 UT 05 05 49.7 +18 32 51 0.517 1.244 105.4 51.0 266 27.4
2026-09-27 00:00 UT 05 05 51.8 +18 30 11 0.516 1.250 106.4 50.3 266 27.4
2026-09-28 00:00 UT 05 05 50.1 +18 27 26 0.515 1.256 107.3 49.6 266 27.4
2026-09-29 00:00 UT 05 05 44.5 +18 24 37 0.514 1.262 108.3 48.9 266 27.4
2026-09-30 00:00 UT 05 05 35.0 +18 21 43 0.513 1.268 109.4 48.2 266 27.3
2026-10-01 00:00 UT 05 05 21.5 +18 18 45 0.512 1.274 110.4 47.5 266 27.3
2026-10-02 00:00 UT 05 05 04.0 +18 15 42 0.511 1.279 111.5 46.7 266 27.3
2026-10-03 00:00 UT 05 04 42.4 +18 12 34 0.510 1.285 112.5 46.0 266 27.3
2026-10-04 00:00 UT 05 04 16.5 +18 09 22 0.509 1.291 113.6 45.2 267 27.3
2026-10-05 00:00 UT 05 03 46.4 +18 06 05 0.507 1.297 114.7 44.5 267 27.3
2026-10-06 00:00 UT 05 03 12.1 +18 02 43 0.506 1.303 115.8 43.7 267 27.3
2026-10-07 00:00 UT 05 02 33.4 +17 59 16 0.505 1.309 117.0 42.9 267 27.2
2026-10-08 00:00 UT 05 01 50.3 +17 55 44 0.504 1.315 118.1 42.1 267 27.2
2026-10-09 00:00 UT 05 01 02.8 +17 52 07 0.503 1.320 119.3 41.3 267 27.2
2026-10-10 00:00 UT 05 00 10.9 +17 48 25 0.502 1.326 120.5 40.5 267 27.2
2026-10-11 00:00 UT 04 59 14.5 +17 44 38 0.501 1.332 121.7 39.6 267 27.2
2026-10-12 00:00 UT 04 58 13.8 +17 40 47 0.500 1.338 122.9 38.8 267 27.1
2026-10-13 00:00 UT 04 57 08.6 +17 36 50 0.499 1.343 124.2 37.9 267 27.1
2026-10-14 00:00 UT 04 55 59.0 +17 32 48 0.498 1.349 125.4 37.0 267 27.1
2026-10-15 00:00 UT 04 54 45.0 +17 28 40 0.497 1.355 126.7 36.2 267 27.1
2026-10-16 00:00 UT 04 53 26.7 +17 24 28 0.497 1.360 128.0 35.3 267 27.1
2026-10-17 00:00 UT 04 52 04.1 +17 20 10 0.496 1.366 129.3 34.4 268 27.0
2026-10-18 00:00 UT 04 50 37.2 +17 15 47 0.495 1.372 130.7 33.4 268 27.0
2026-10-19 00:00 UT 04 49 06.3 +17 11 18 0.495 1.377 132.0 32.5 268 27.0
2026-10-20 00:00 UT 04 47 31.2 +17 06 45 0.494 1.383 133.4 31.6 268 27.0
2026-10-21 00:00 UT 04 45 52.2 +17 02 05 0.494 1.389 134.8 30.6 268 27.0
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.