429 Lotis

429 LotisDiscovery

Discovered by| Auguste Charlois
Discovery date| 23 November 1897
Designations

MPC designation

| (429) Lotis
Pronunciation| /ˈloʊtɪs/[1]

Alternative designations

| 1897 DL
Minor planet category| Main belt
Adjectives| Lotidian /loʊˈtɪdiən/
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc| 114.49 yr (41818 d)
|{{{apsis}}}|helion}}| 2.9274 astronomical unit|AU (437.93 Gm)
|{{{apsis}}}|helion}}| 2.2872 AU (342.16 Gm)

Semi-major axis

| 2.6073 AU (390.05 Gm)
Eccentricity| 0.12278
Orbital period| 4.21 yr (1537.7 d)
Average Orbital speed| 18.44 km/s
Mean anomaly| 89.1827°
Mean motion| 0° 14m 2.796s / day
Inclination| 9.5335°
Longitude of ascending node| 219.980°
Physical characteristics
Dimensions| 62±1 km[3]
Rotation period| 13.577 h (0.5657 d)
Geometric albedo| 0.0430±0.002

Spectral type

| C?
Absolute magnitude (H)| 9.82

429 Lotis is a large Main belt asteroid. It is classified as a probable C-type asteroid and is likely composed of primitive carbonaceous materials. This object was discovered by Auguste Charlois on 23 November 1897 in Nice.

In 2002, the asteroid was detected by radar from the Arecibo Observatory at a distance of 1.31 AU. The resulting data yielded an effective diameter of 70 ± 10 km.[4]

## References

1. ↑ Noah Webster (1884) A Practical Dictionary of the English Language
2. ↑ "429 Lotis (1897 DL)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=429;cad=1.
3. ↑ Choukroun, A.; Marciniak, A.; Ďurech, J.; Perła, J.; Ogłoza, W.; Szakats, R.; Molnar, L.; Pal, A. et al. (2025). "Asteroid sizes determined with thermophysical model and stellar occultations". Astronomy & Astrophysics 698: A298. doi:10.1051/0004-6361/202554476. Bibcode: 2025A&A...698A.298C.
4. ↑ Magri, Christopher et al. (January 2007), "A radar survey of main-belt asteroids: Arecibo observations of 55 objects during 1999 2003", Icarus 186 (1): 126–151, doi:10.1016/j.icarus.2006.08.018, Bibcode: 2007Icar..186..126M, http://echo.jpl.nasa.gov/asteroids/MBAs/magri.etal.2007.mbas.pdf, retrieved 2015-04-14.

## External links

* 429 Lotis at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 429 Lotis at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

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