Your guide to the Solar System
🌎 Location: Greenwich, United Kingdom [change]
Near Earth Objects » 

Asteroid (NEO) 1998 HH49

Available Resources

Asteroid (NEO) 1998 HH49 Position

Asteroid (NEO) 1998 HH49 is currently in the constellation of Aquarius. The current Right Ascension is 22h 06m 32s and the Declination is -10° 23’ 21”.

22h 06m 32s
-10° 23’ 21”

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 Aquarius on December, 13 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 132,445,609 kilometers, equivalent to 0.885344 Astronomical Units. Light takes 7 minutes and 21.7910 seconds to travel from Asteroid (NEO) 1998 HH49 and arrive to us.

7 minutes and 21.7910 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 23.31.


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: 100.7°
Max altitude: 27.9°
Azimuth: 259.6°
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
Next perihelion transit 2021-Sep-23 14:58
2,459,481.1239 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 Dec 06 21h 23m 13s -15° 33’ 42” 23.21 Capricornus
2019 Dec 07 21h 28m 54s -14° 55’ 20” 23.22 Capricornus
2019 Dec 08 21h 34m 29s -14° 16’ 44” 23.23 Capricornus
2019 Dec 09 21h 40m 03s -13° 37’ 54” 23.24 Capricornus
2019 Dec 10 21h 45m 30s -12° 58’ 54” 23.26 Capricornus
2019 Dec 11 21h 50m 54s -12° 19’ 46” 23.27 Capricornus
2019 Dec 12 21h 56m 13s -11° 40’ 36” 23.28 Capricornus
2019 Dec 13 22h 01m 29s -11° 01’ 23” 23.29 Aquarius
2019 Dec 14 22h 06m 42s -10° 22’ 13” 23.31 Aquarius
2019 Dec 15 22h 11m 48s -09° 43’ 06” 23.32 Aquarius
2019 Dec 16 22h 16m 51s -09° 04’ 08” 23.34 Aquarius
2019 Dec 17 22h 21m 51s -08° 25’ 18” 23.35 Aquarius
2019 Dec 18 22h 26m 47s -07° 46’ 38” 23.37 Aquarius
2019 Dec 19 22h 31m 37s -07° 08’ 12” 23.39 Aquarius