|
(826936) 1998 HH49 |
| ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
| Today | 12 Sep 2026 | 26.3 | 2.317 AU | 3.233 AU | 10h12m | +16°51' | 20.6° | 8.8° |
(826936) 1998 HH49 - 2026-09-12
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) : 8.42789
Ω (Longitude of ascending node) : 23.41330
ω (Argument of perihelion) : 288.29772
M (Mean anomaly) : 153.85162
Epoch : 2026 Jun 09
L (Longitude of perihelion) : -48.10274
B (Latitude of perihelion) : -7.99889
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
2026-09-12 00:00 UT 10 12 20.9 +16 51 42 3.233 2.317 20.6 8.8 305 26.3
2026-09-12 13:02 UT 10 13 15.0 +16 46 41 3.229 2.317 20.9 8.9 305 26.3
2026-09-13 00:00 UT 10 14 00.5 +16 42 27 3.227 2.316 21.1 9.0 305 26.3
2026-09-14 00:00 UT 10 15 40.0 +16 33 11 3.220 2.315 21.6 9.2 305 26.3
2026-09-15 00:00 UT 10 17 19.4 +16 23 53 3.214 2.314 22.2 9.4 304 26.4
2026-09-16 00:00 UT 10 18 58.6 +16 14 34 3.207 2.312 22.7 9.7 304 26.4
2026-09-17 00:00 UT 10 20 37.6 +16 05 14 3.201 2.311 23.2 9.9 304 26.4
2026-09-18 00:00 UT 10 22 16.6 +15 55 52 3.194 2.310 23.8 10.1 304 26.4
2026-09-19 00:00 UT 10 23 55.4 +15 46 29 3.187 2.308 24.3 10.3 303 26.4
2026-09-20 00:00 UT 10 25 34.0 +15 37 05 3.180 2.307 24.8 10.5 303 26.4
2026-09-21 00:00 UT 10 27 12.5 +15 27 39 3.173 2.306 25.4 10.8 303 26.4
2026-09-22 00:00 UT 10 28 50.9 +15 18 13 3.165 2.304 25.9 11.0 303 26.4
2026-09-23 00:00 UT 10 30 29.2 +15 08 45 3.158 2.303 26.4 11.2 303 26.4
2026-09-24 00:00 UT 10 32 07.3 +14 59 15 3.150 2.301 27.0 11.4 302 26.4
2026-09-25 00:00 UT 10 33 45.3 +14 49 45 3.142 2.300 27.5 11.6 302 26.4
2026-09-26 00:00 UT 10 35 23.1 +14 40 14 3.134 2.298 28.1 11.8 302 26.4
2026-09-27 00:00 UT 10 37 00.9 +14 30 41 3.126 2.297 28.6 12.1 302 26.4
2026-09-28 00:00 UT 10 38 38.5 +14 21 07 3.118 2.295 29.1 12.3 302 26.4
2026-09-29 00:00 UT 10 40 16.0 +14 11 33 3.109 2.293 29.7 12.5 302 26.4
2026-09-30 00:00 UT 10 41 53.3 +14 01 57 3.101 2.292 30.2 12.7 301 26.4
2026-10-01 00:00 UT 10 43 30.6 +13 52 21 3.092 2.290 30.8 12.9 301 26.4
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.
