|
(826936) 1998 HH49 |
| ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
| Today | 3 Oct 2026 | 26.4 | 2.287 AU | 3.075 AU | 10h46m | +13°33' | 31.9° | 13.4° |
(826936) 1998 HH49 - 2026-10-03
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 1998 HH49 are:
e (Eccentricity) : 0.5036225
a (Semimajor axis) : 1.5582593
i (Inclination) : 8.42790
Ω (Longitude of ascending node) : 23.41330
ω (Argument of perihelion) : 288.29771
M (Mean anomaly) : 153.85162
Epoch : 2026 Jun 09
L (Longitude of perihelion) : -48.10275
B (Latitude of perihelion) : -7.99890
P (Orbital period in years) : 1.95
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
2026-10-03 00:00 UT 10 46 44.7 +13 33 05 3.075 2.287 31.9 13.4 301 26.4
2026-10-03 18:12 UT 10 47 58.2 +13 25 46 3.068 2.285 32.3 13.5 301 26.4
2026-10-04 00:00 UT 10 48 21.6 +13 23 25 3.065 2.285 32.4 13.6 301 26.4
2026-10-05 00:00 UT 10 49 58.4 +13 13 45 3.056 2.283 33.0 13.8 301 26.4
2026-10-06 00:00 UT 10 51 35.0 +13 04 05 3.047 2.281 33.5 14.0 301 26.4
2026-10-07 00:00 UT 10 53 11.5 +12 54 23 3.037 2.279 34.1 14.2 300 26.4
2026-10-08 00:00 UT 10 54 47.9 +12 44 41 3.028 2.277 34.6 14.4 300 26.4
2026-10-09 00:00 UT 10 56 24.2 +12 34 58 3.018 2.275 35.2 14.7 300 26.4
2026-10-10 00:00 UT 10 58 00.4 +12 25 15 3.008 2.274 35.7 14.9 300 26.4
2026-10-11 00:00 UT 10 59 36.4 +12 15 32 2.998 2.272 36.3 15.1 300 26.4
2026-10-12 00:00 UT 11 01 12.3 +12 05 47 2.988 2.270 36.9 15.3 300 26.4
2026-10-13 00:00 UT 11 02 48.0 +11 56 03 2.978 2.268 37.4 15.5 300 26.4
2026-10-14 00:00 UT 11 04 23.6 +11 46 18 2.967 2.265 38.0 15.7 300 26.4
2026-10-15 00:00 UT 11 05 59.1 +11 36 33 2.957 2.263 38.5 15.9 300 26.4
2026-10-16 00:00 UT 11 07 34.5 +11 26 47 2.946 2.261 39.1 16.1 300 26.4
2026-10-17 00:00 UT 11 09 09.7 +11 17 02 2.935 2.259 39.7 16.4 299 26.4
2026-10-18 00:00 UT 11 10 44.8 +11 07 16 2.924 2.257 40.2 16.6 299 26.4
2026-10-19 00:00 UT 11 12 19.8 +10 57 30 2.913 2.255 40.8 16.8 299 26.4
2026-10-20 00:00 UT 11 13 54.6 +10 47 44 2.902 2.253 41.3 17.0 299 26.3
2026-10-21 00:00 UT 11 15 29.4 +10 37 58 2.891 2.250 41.9 17.2 299 26.3
2026-10-22 00:00 UT 11 17 03.9 +10 28 11 2.879 2.248 42.5 17.4 299 26.3
2026-10-23 00:00 UT 11 18 38.4 +10 18 25 2.868 2.246 43.0 17.6 299 26.3
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.
