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Asteroid (NEO) 1998 HH49

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Asteroid (NEO) 1998 HH49 Position

Asteroid (NEO) 1998 HH49 is currently in the constellation of Scorpius. The current Right Ascension is 16h 15m 33s and the Declination is -27° 05’ 02”.

16h 15m 33s
-27° 05’ 02”

Simplified sky chart showing where Asteroid (NEO) 1998 HH49 is right now in the sky with respect to the brightest stars and constellations (see fuillscreen Online Planetarium)

Map showing Asteroid (NEO) 1998 HH49 in Scorpius on October, 18 2019
Field of view: 60x30 degrees
View fullscreen
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Also check out Where is Asteroid (NEO) 1998 HH49?, a page that provides all the information needed to find Asteroid (NEO) 1998 HH49 in the sky and additional links to sky charts.

Asteroid (NEO) 1998 HH49 Distance

The distance of Asteroid (NEO) 1998 HH49 from Earth is currently 163,429,535 kilometers, equivalent to 1.092459 Astronomical Units. Light takes 9 minutes and 5.1422 seconds to travel from Asteroid (NEO) 1998 HH49 and arrive to us.

9 minutes and 5.1422 seconds

The following chart shows the distance of Asteroid (NEO) 1998 HH49 from Earth as a function of time. In the chart the distance data is measured in Astronomical Units and sampled with an interval of 1 day.

Distance of Asteroid (NEO) 1998 HH49 from Earth between January 2013 and December 2100

The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth.

Closest approach of Asteroid (NEO) 1998 HH49 to Earth

Between January 2013 and December 2100 the closest approach of Asteroid (NEO) 1998 HH49 to Earth happens on Tue Oct 17 2023 at a distance of 0.00785055 Astronomical Units, or 1,174,425 kilometers:

Tue Oct 17 2023

NOTE: values for the closest approach are computed with a sampling interval of 1 day.

Asteroid (NEO) 1998 HH49 brightness

The current visual magnitude of Asteroid (NEO) 1998 HH49 is 23.13.


The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 1998 HH49, according to the most recent ephemerides data. Magnitude data is sampled with a 2 days interval and there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. For comets there could be large discrepancies between the observed and predicted brightness because of their highly dynamic behaviour.

Predicted magnitude of Asteroid (NEO) 1998 HH49 between January 2013 and December 2100

Asteroid (NEO) 1998 HH49 rise and set times

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's Asteroid (NEO) 1998 HH49 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 117.2°
Max altitude: 11.3°
Azimuth: 242.8°
Asteroid (NEO) 1998 HH49 is below the horizon from Greenwich, United Kingdom

The rise and set times are defined as the time at which the upper limb of Asteroid (NEO) 1998 HH49 touches the horizon, consideting the effect of the atmospheric refraction. As the atmoshpere conditions cannot be modeled precisely the times reported here should be considered correct with an approximation of few minutes.

Asteroid (NEO) 1998 HH49 Orbital Elements

The following table lists the orbital elements of Asteroid (NEO) 1998 HH49 at epoch 26 April 2019 00:00 UTC (JD: 2458600.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.50231349
Orbit inclination i 8.41886598°
Perihelion distance q 0.77172162 AU
115,447,911 km
Aphelion distance Q 2.32951422 AU
348,490,368 km
Semi-major axis a 1.55061792 AU
231,969,139 km
Orbital period period 1.9300 years
705.2703 days
Date of perihelion transit Tp 2019-Oct-19 08:29:07
2,458,775.8536 JD
Argument of perihelion peri 287.85250124122°
Longitude of the ascending node node 23.502758379851°
Mean anomaly M 270.49207828238°
Mean motion n 0.51044256°/day

Visualization of Asteroid (NEO) 1998 HH49 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid (NEO) 1998 HH49 with respect of the Sun and the orbits of the major planets. The position of Asteroid (NEO) 1998 HH49 and the planets along their orbits in this diagram accurately represents the current configuration of the objects in the Solar System. This is an experimental feature and it requires a WebGL enabled browser. Please provide us feedback!

Orbit Diagram of Asteroid (NEO) 1998 HH49
View Asteroid (NEO) 1998 HH49 in the 3D Solar System Simulator

Asteroid (NEO) 1998 HH49 15 Days Ephemeris

The following table lists the ephemerides of Asteroid (NEO) 1998 HH49 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid (NEO) 1998 HH49 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2019 Oct 11 15h 38m 33s -25° 15’ 29” 23.18 Libra
2019 Oct 12 15h 43m 37s -25° 33’ 02” 23.17 Libra
2019 Oct 13 15h 48m 47s -25° 50’ 00” 23.16 Scorpius
2019 Oct 14 15h 54m 00s -26° 06’ 23” 23.15 Scorpius
2019 Oct 15 15h 59m 17s -26° 22’ 05” 23.15 Scorpius
2019 Oct 16 16h 04m 37s -26° 37’ 06” 23.14 Scorpius
2019 Oct 17 16h 10m 03s -26° 51’ 25” 23.14 Scorpius
2019 Oct 18 16h 15m 33s -27° 05’ 00” 23.13 Scorpius
2019 Oct 19 16h 21m 06s -27° 17’ 48” 23.13 Scorpius
2019 Oct 20 16h 26m 44s -27° 29’ 47” 23.12 Scorpius
2019 Oct 21 16h 32m 26s -27° 40’ 54” 23.12 Scorpius
2019 Oct 22 16h 38m 12s -27° 51’ 10” 23.12 Scorpius
2019 Oct 23 16h 44m 02s -28° 00’ 29” 23.12 Scorpius
2019 Oct 24 16h 49m 54s -28° 08’ 53” 23.11 Scorpius