2025 KR4 is an asteroid in the Apollo orbit class. Its orbit takes it from 0.84 AU to 1.17 AU from the Sun; one orbit takes 368.1 days. Orbit from the JPL solution of 26 May 2026.
Where is it now
- Distance from Sun
- 1.099 AU
- True anomaly
- 228.66°
- Distance from Earth
- 0.652 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
- 20h 15m 04s
- Declination
- -15° 51′ 39″
- Constellation
- Capricornus
- Distance from Earth
- 0.65 AU
- Elongation from the Sun
- 80.98° — well clear of the Sun
Favours the southern hemisphere; low or below the horizon from far north.
From your location
See how high it is right now, whether it is up after civil twilight, and when it rises and sets where you are.
Your location stays in your browser and is sent only for this calculation. Using a what3words address is optional; if you do, the three words go to what3words to be converted and we don't record them. Set a location first, then you can save an email alert for this object. See our privacy policy.
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
- 1.005 AU
- Eccentricity
- 0.1675
- Inclination
- 4.31°
- Orbital period
- 368.1 days
- Perihelion
- 0.837 AU
- Aphelion
- 1.174 AU
- Longitude of ascending node
- 217.7°
- Argument of periapsis
- 279.06°
- Epoch · J2000
- 2461200.5
- Orbit class · APO
- Apollo
- Earth MOID · 1.7 LD
- 0.0043 AU
- Tisserand (Jupiter)
- 6.041
Orbit quality
Orbit very well determined (uncertainty code 1).
- Observations used
- 49
- Data arc
- 712 days
- First observed
- 11 June 2024
- Last observed
- 24 May 2026
- Residual RMS
- 0.69 ″
- Solution · Otto Matic
- 26 May 2026
Visual & observation
- Absolute magnitude (H)
- 26
Discovery & classification
Close approaches 74 on record
Top-down view of the ecliptic, Earth at the centre, for the 2027-05-21 05:50 UTC close approach of 2025 KR4. Catalogue miss distance 32.5 LD · 1.25 × 10⁷ km. The curve is the geocentric path from 2027-05-18 to 2027-05-24, 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 north 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 |
|---|---|---|---|---|
| 2027-05-21 05:50:00 | Earth | 0.0835 AU | 32.5 LD | 7.3 km/s |
| 2028-05-23 10:56:00 | Earth | 0.1387 AU | 54.0 LD | 8.9 km/s |
| 2029-05-26 19:33:00 | Earth | 0.1977 AU | 76.9 LD | 10.6 km/s |
| 2110-10-29 14:07:00 | Earth | 0.1963 AU | 76.4 LD | 10.7 km/s |
| 2111-11-01 13:40:00 | Earth | 0.1353 AU | 52.7 LD | 8.9 km/s |
| 2112-11-03 01:37:00 | Earth | 0.0782 AU | 30.4 LD | 7.3 km/s |
| 2113-11-05 01:00:00 | Earth | 0.0295 AU | 11.5 LD | 5.9 km/s |
| 2114-11-05 20:18:00 | Earth | 0.0073 AU | 2.8 LD | 5.3 km/s |
| 2114-11-06 01:53:00 | Moon | 0.0086 AU | 3.3 LD | 6.2 km/s |
| 2115-11-05 09:23:00 | Earth | 0.0288 AU | 11.2 LD | 5.9 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