1021 Flammario

1021 Flammario

Discovery
Discovered by	Max Wolf
Discovery date	11 March 1924
Designations
Alternative names	1924 RG
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	90.91 yr (33205 days)
Aphelion	3.5174 AU (526.20 Gm)
Perihelion	1.9552 AU (292.49 Gm)
Semi-major axis	2.7363 AU (409.34 Gm)
Eccentricity	0.28546
Orbital period	4.53 yr (1653.3 d)
Mean anomaly	240.16°
Mean motion	0° 13^m 3.9^s / day
Inclination	15.871°
Longitude of ascending node	115.44°
Argument of perihelion	287.03°
Earth MOID	1.02909 AU (153.950 Gm)
Jupiter MOID	2.11761 AU (316.790 Gm)
Jupiter Tisserand parameter	3.239
Physical characteristics
Mean radius	49.695±1.15 km,[1] 49.635 ± 1.635 km[2]
Mass	(5.14 ± 0.12) × 10^18 kg[2]
Mean density	10.03 ± 1.02[2] g/cm^3
Rotation period	12.160 h (0.5067 d)
Geometric albedo	0.0458±0.002
Spectral type	Cb[2]
Absolute magnitude (H)	8.98

1021 Flammario is an asteroid. It was discovered by Max Wolf on March 11, 1924. Its provisional designation was 1924 RG. It was named after the celebrated French astronomer Camille Flammarion.^[3]

References

1. "1021 Flammario (1924 RG)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016.
2. Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
3. Schmadel, Lutz (1992). Dictionary of Minor Planet Names 1. Berlin: Springer Verlag. ISBN 3-540-00238-3.

External links

• 1021 Flammario at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters