2013 YH48 is an asteroid in the Apollo orbit class. Its orbit takes it from 0.79 AU to 1.26 AU from the Sun; one orbit takes 378.3 days. Orbit from the JPL solution of 15 April 2021.
Where is it now
- Distance from Sun
- 1.08 AU
- True anomaly
- 243.63°
- Distance from Earth
- 2.014 AU
- As of
- 3 November 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
In the sky
- Right ascension
- 13h 38m 48s
- Declination
- -15° 20′ 43″
- Constellation
- Virgo
- Distance from Earth
- 2.01 AU
- Elongation from the Sun
- 14.24° — too close to the Sun to observe
Favours the southern hemisphere; low or below the horizon from far north.
From your location
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Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.
Orbital elements
- Semi-major axis
- 1.024 AU
- Eccentricity
- 0.2274
- Inclination
- 10.05°
- Orbital period
- 378.3 days
- Perihelion
- 0.791 AU
- Aphelion
- 1.256 AU
- Longitude of ascending node
- 257.51°
- Argument of periapsis
- 53.96°
- Epoch · J2000
- 2461200.5
- Orbit class · APO
- Apollo
- Earth MOID · 29.7 LD
- 0.0763 AU
- Tisserand (Jupiter)
- 5.934
Orbit quality
Orbit very well determined (uncertainty code 1).
- Observations used
- 33
- Data arc
- 4.74 years
- First observed
- 23 April 2010
- Last observed
- 17 January 2015
- Residual RMS
- 0.74 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 23.66
Discovery & classification
Also known as 2010 HS125
Close approaches 125 on record
Top-down view of the ecliptic, Earth at the centre, for the 2037-04-13 00:53 UTC close approach of 2013 YH48. Catalogue miss distance 141.4 LD · 5.44 × 10⁷ km. The curve is the geocentric path from 2037-04-10 to 2037-04-16, with a mark at UTC midnights and an arrow for the direction of motion. The circle is the Moon’s mean orbit; the Moon is plotted at closest approach. A ray shows the Sun’s direction. The labelled distance is the full separation. The drawn radius is the part that lies in the ecliptic plane. At closest approach the object is south of the ecliptic. The path is a geocentric ecliptic ephemeris from JPL Horizons. The inset is a heliocentric view and is approximate.
| When (UTC) | Body | Distance | Lunar distances | Relative speed |
|---|---|---|---|---|
| 2037-04-13 00:53:00 | Earth | 0.3634 AU | 141.4 LD | 18.1 km/s |
| 2038-04-26 04:00:00 | Earth | 0.1672 AU | 65.1 LD | 11.9 km/s |
| 2039-05-22 06:04:00 | Earth | 0.1278 AU | 49.8 LD | 7.7 km/s |
| 2040-02-29 04:29:00 | Earth | 0.3051 AU | 118.7 LD | 6.3 km/s |
| 2040-07-05 16:59:00 | Earth | 0.2254 AU | 87.7 LD | 8.6 km/s |
| 2041-01-24 20:47:00 | Earth | 0.3104 AU | 120.8 LD | 7.6 km/s |
| 2041-08-19 07:13:00 | Earth | 0.2611 AU | 101.6 LD | 8 km/s |
| 2041-12-26 07:16:00 | Earth | 0.2491 AU | 97.0 LD | 7.5 km/s |
| 2042-11-24 20:12:00 | Earth | 0.1203 AU | 46.8 LD | 7.1 km/s |
| 2043-11-19 17:50:00 | Earth | 0.1408 AU | 54.8 LD | 11.7 km/s |
Next ten from today. 1 lunar distance = 384,400 km. Source: JPL close-approach data.
Sources
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB