![]() Shape model of Lampland from its
lightcurve | |
Discovery [1] | |
---|---|
Discovered by |
Indiana University ( Indiana Asteroid Program) |
Discovery site | Goethe Link Obs. |
Discovery date | 7 September 1962 |
Designations | |
(1767) Lampland | |
Named after |
Carl Lampland
[2] (American astronomer) |
1962 RJ · 1941 SP 1967 SC | |
main-belt · (
outer) Eos [3] | |
Orbital characteristics [1] | |
Epoch 4 September 2017 ( JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 75.52 yr (27,585 days) |
Aphelion | 3.3209 AU |
Perihelion | 2.7160 AU |
3.0185 AU | |
Eccentricity | 0.1002 |
5.24 yr (1,915 days) | |
201.21 ° | |
0° 11m 16.44s / day | |
Inclination | 9.8418° |
192.22° | |
135.41° | |
Physical characteristics | |
Dimensions | 15.448±2.805 km [4] |
0.116±0.057 [5] | |
Tholen = XC
[1] B–V = 0.750 [1] U–B = 0.340 [1] | |
12.20 [1] | |
1767 Lampland, provisional designation 1962 RJ, is an Eoan asteroid from the outer regions of the asteroid belt, approximately 15 kilometers in diameter. It was discovered on 7 September 1962, by astronomers of the Indiana Asteroid Program at Goethe Link Observatory in Indiana, United States. [6] The asteroid was named after American astronomer Carl Lampland. [2]
Lampland a member the Eos family ( 606), the largest asteroid family in the outer main belt consisting of nearly 10,000 asteroids. [3] [7]: 23 It orbits the Sun at a distance of 2.7–3.3 AU once every 5 years and 3 months (1,915 days). Its orbit has an eccentricity of 0.10 and an inclination of 10 ° with respect to the ecliptic. [1]
The asteroid was first identified as 1941 SP at Uccle Observatory in September 1941. The body's observation arc begins with a precovery at Palomar Observatory in August 1951, more than 11 years prior to its official discovery observation at Goethe Link. [6]
In the Tholen classification, its spectral type is ambiguous, closest to the X-type asteroid and with some resemblance to the C-type asteroids, [1] while the overall spectral type of the Eos family is that of a K-type. [7]: 23
As of 2017, no rotational lightcurve of Lampland has been obtained from photometric observations. The asteroid's rotation period, poles and shape remain unknown. [8]
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Lampland measures 15.448 kilometers in diameter and its surface has an albedo of 0.116. [4] [5]
This minor planet was named after American astronomer Carl Lampland (1873–1951), a graduate of Indiana University, best known for his radiometric measurements of planetary temperatures. [2]
Lampland is also honored by a lunar and by a Martian crater. The name was proposed by Frank K. Edmondson, who initiated the Indiana Asteroid Program. [2] The official naming citation was published by the Minor Planet Center on 20 February 1971 ( M.P.C. 3144). [9]