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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:48  ☀️ Transit: 13:04  🌅 Sunset: 19:21

Asteroid (NEO) 1998 HH49

Asteroid (NEO) 1998 HH49 is currently in the constellation of Leo. The current Right Ascension of Asteroid (NEO) 1998 HH49 is 11h 26m 26s and the Declination is +12° 24’ 07” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current magnitude of Asteroid (NEO) 1998 HH49 is 22.81 (JPL).

11h 26m 26s
+12° 24’ 07”

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

Azimuth: 77.6°
Max altitude: 51.0°
Azimuth: 282.4°
  • 1998 HH49 is below the horizon from Greenwich, United Kingdom [change].
  • Given its current magnitude, 1998 HH49 is visible only through long exposure photography.
  • Go to interactive sky chart

If you need to access this information frequently for your observations, you can create a simple customized Quick Access page, so that you can easily bookmark it in your browser favorites or add a shortcut to your mobile phones' home screen.

Available Resources

Asteroid (NEO) 1998 HH49 Position and Finder Charts

Below we provide Asteroid (NEO) 1998 HH49 finder charts showing where the object is right now in the sky with respect to the brightest stars. The first finder chart has a field of view of 50 degrees, while the second one has a field of view of 10 degrees. Click on each finder chart to access a full screen interactive Online Planetarium.

Map showing Asteroid (NEO) 1998 HH49 in Leo on March, 27 2023
Field of view: 50x30 degrees
View fullscreen
Map showing Asteroid (NEO) 1998 HH49 in Leo on March, 27 2023
Field of view: 10x6 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 from Earth

The distance of Asteroid (NEO) 1998 HH49 from Earth is currently 120,713,443 kilometers, equivalent to 0.806920 Astronomical Units. Light takes 6 minutes and 42.6567 seconds to travel from Asteroid (NEO) 1998 HH49 and arrive to us.

6 minutes and 42.6567 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.

Chart of the distance of Asteroid (NEO) 1998 HH49 from Earth in Astronomical Units (au)

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

During the next 10 years, the closest approach of Asteroid (NEO) 1998 HH49 to Earth happens on Tue Oct 17 2023 at a distance of 0.007844 Astronomical Units, or 1,173,407 kilometers:

Tue Oct 17 2023

Asteroid (NEO) 1998 HH49 Brightness

The current visual magnitude of Asteroid (NEO) 1998 HH49 is 22.81.


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.

Chart of the magnitude of Asteroid (NEO) 1998 HH49 as a function of time

Asteroid (NEO) 1998 HH49 Orbital Elements

The following table lists the orbital elements of Asteroid (NEO) 1998 HH49 at epoch 20 January 2022 00:00 UTC (JD: 2459600.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.50228543
Orbit inclination i 8.41927892°
Perihelion distance q 0.77160665 AU
115,430,711 km
Aphelion distance Q 2.32899233 AU
348,412,295 km
Semi-major axis a 1.55029949 AU
231,921,503 km
Orbital period period 1.9303 years
705.0531 days
Date of perihelion transit Tp 2021-Sep-23 18:24:31
2,459,481.2670 JD
Next perihelion transit 2023-Aug-29 19:40
2,460,186.3201 JD
Argument of perihelion peri 287.89916201736°
Longitude of the ascending node node 23.47839537494°
Mean anomaly M 60.880333216014°
Mean motion n 0.51059983°/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
2023 Mar 20 11h 42m 11s +11° 26’ 20” 22.71 Leo
2023 Mar 21 11h 40m 08s +11° 34’ 42” 22.72 Leo
2023 Mar 22 11h 38m 03s +11° 42’ 55” 22.73 Leo
2023 Mar 23 11h 35m 58s +11° 50’ 54” 22.74 Leo
2023 Mar 24 11h 33m 52s +11° 58’ 41” 22.76 Leo
2023 Mar 25 11h 31m 46s +12° 06’ 15” 22.77 Leo
2023 Mar 26 11h 29m 39s +12° 13’ 33” 22.79 Leo
2023 Mar 27 11h 27m 33s +12° 20’ 35” 22.80 Leo
2023 Mar 28 11h 25m 27s +12° 27’ 21” 22.82 Leo
2023 Mar 29 11h 23m 21s +12° 33’ 51” 22.84 Leo
2023 Mar 30 11h 21m 15s +12° 40’ 00” 22.85 Leo
2023 Mar 31 11h 19m 10s +12° 45’ 52” 22.87 Leo
2023 Apr 01 11h 17m 07s +12° 51’ 24” 22.88 Leo
2023 Apr 02 11h 15m 03s +12° 56’ 35” 22.90 Leo