26858 Misterrogers

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26858 Misterrogers
Discovery 
Synodic rotation period
8.066±0.007 h[4][a]
0.200[8]
0.208[7]
0.28[5][6]
S (assumed)[4]
12.80[5][6][7][8]
12.9[3][4]

26858 Misterrogers (

rotation period of 8.0 hours.[4] It was named after children's television host Fred Rogers.[1]

Orbit and classification

Misterrogers is a member of the

semi-major axis of 2.34 AU). Its orbit has an eccentricity of 0.34 and an inclination of 22° with respect to the ecliptic.[3]

The asteroid was first observed as 1952 SU at the Goethe Link Observatory in September 1952. The body's observation arc begins with a precovery published by the Digitized Sky Survey, taken at Palomar in May 1990, almost 3 years prior to its official discovery observation.[1]

Naming

This

M.P.C. 48396).[10]

Rogers had a lifelong fascination with the sky and astronomy, obtained a pilot's license while still in high school[11] and also produced with the Kamin Science Center a planetarium show called The Sky above Mister Rogers' Neighborhood,[12] which is still shown at many planetaria across the United States.[13]

Physical characteristics

Misterrogers is an assumed, stony

albedo (see below).[4]

Rotation period

In April 2011, a rotational

U=3).[a]
A low brightness amplitude is indicative for a spherical rather than elongated shape.

Diameter and albedo

According to the survey carried out by the

NEOWISE mission of NASA's Wide-field Infrared Survey Explorer (WISE), Misterrogers measures 6.33 kilometers in diameter and its surface has an albedo of 0.28.[5][6] However, a WISE-study dedicated to Mars-crossing asteroids in 2017 determined a larger diameter of 8.19 kilometers with an albedo of 0.20.[8] The Japanese Akari satellite found a diameter of 8.07 km and an albedo of 0.208,[7] while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for a stony asteroid of 0.20 and calculates a diameter of 7.82 kilometers based on an absolute magnitude of 12.9.[4]

Sizable Mars-crosser

With a diameter of 8.2 kilometers, Misterrogers is a sizable Mars-crosser of which two dozens or so are known (5–15 km). These include 3581 Alvarez (13.7 km) 1065 Amundsenia (9.8 km), 1139 Atami (9.4 km), 3737 Beckman (14.4 km), 1474 Beira (15.5 km), 5682 Beresford (7.3 km), 7505 Furusho (10.0 km) 7369 Gavrilin (5.5 km), 1011 Laodamia (7.4 km), 6170 Levasseur (5.7 km), 1727 Mette (5.4 km), 1131 Porzia (7.1 km), 985 Rosina (8.2 km), 1235 Schorria (5.6 km), 1310 Villigera (15.2 km), and 1468 Zomba (7 km), which are themselves smaller than the largest members of this dynamical group, namely, 132 Aethra, 323 Brucia (former Mars-crosser), 1508 Kemi, 2204 Lyyli and 512 Taurinensis, all larger than 20 kilometers.

Notes

  1. ^ a b Skiff (2011) web: rotation period 8.066±0.007 hours with a brightness amplitude of 0.13 mag. Quality Code is 3. Summary figures at the LCDB.

References

  1. ^ a b c d e f g h "26858 Misterrogers (1993 FR)". Minor Planet Center. Retrieved 19 November 2018.
  2. ^ "Asteroid 26858 Misterrogers". Small Bodies Data Ferret. Retrieved 19 November 2018.
  3. ^ a b c d "JPL Small-Body Database Browser: 26858 Misterrogers (1993 FR)" (2018-05-22 last obs.). Jet Propulsion Laboratory. Archived from the original on 20 September 2020. Retrieved 19 November 2018.
  4. ^ a b c d e f g "LCDB Data for (26858) Misterrogers". Asteroid Lightcurve Database (LCDB). Retrieved 19 November 2018.
  5. ^
    doi:10.1088/0004-637X/814/2/117
    .
  6. ^
    Bibcode:2016PDSS..247.....M
    . Retrieved 19 November 2018.
  7. ^
    doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153
    )
  8. ^
    doi:10.1051/0004-6361/201629917
    .
  9. Eonline
    . Retrieved 19 November 2018.
  10. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 19 November 2018.
  11. ^ Kimmel, Margaret Mary; Collins, Mark (September 2008). "THE WONDER OF IT ALL: Fred Rogers and the Story of an Icon" (PDF). Retrieved 19 November 2018. Allen taught Fred to fly in a little Piper Cub when Fred was in high school
  12. ^ "The Sky Above Mister Rogers' Neighborhood" (PDF). Archived from the original (PDF) on 13 September 2020. Retrieved 19 November 2018.
  13. ^ "The Sky Above Mr. Rogers' Neighborhood". Kamin Science Center. Retrieved 19 November 2018.

External links

Retrieved from "https://en.wikipedia.org/w/index.php?title=26858_Misterrogers&oldid=1217839702"