2430 Bruce Helin

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2430 Bruce Helin
Perihelion
1.8555 AU
2.3626 AU
Eccentricity0.2146
3.63 yr (1,326 days)
21.845°
0° 16m 17.04s / day
Inclination23.459°
45.854°
309.89°
Physical characteristics
Mean diameter
Synodic rotation period
128 h[a]
129.4163±0.3970 h[7]
129.75 h[8]
  • 0.175±0.006[5]
  • 0.238±0.032[6]
11.693±0.003 (R)[7] · 11.70[6] · 11.8[1][3] · 12.24[5]

2430 Bruce Helin (

rotation period
of 128 hours and measures approximately 12 kilometers (7.5 miles) in diameter.

Orbit and classification

Bruce Helin is a member of the

Crimea–Nauchnij in 1976, or one year prior to its official discovery observation at Palomar.[9]

Naming

This

M.P.C. 6421).[11]

Physical characteristics

In the

SMASS taxonomy, it is an Sl-subtype, which transitions from the S-type to the uncommon L-type asteroid.[1]

Rotation period

The first rotational

U=n.a./2).[8][7]

Diameter and albedo

According to the surveys carried out by the Japanese

albedo of 0.18 and 0.24, respectively.[5][6] The Collaborative Asteroid Lightcurve Link (CALL) assumes an albedo of 0.23 and calculates a diameter of 12.1 kilometers with an absolute magnitude of 11.8.[3]

Notes

  1. ^ a b Pravec (2006) web: rotation period 128 hours with a brightness amplitude of 0.6 mag. Summary figures at Collaborative Asteroid Lightcurve Link (CALL) for (2430) Bruce Helin

References

  1. ^ a b c d e f g h i "JPL Small-Body Database Browser: 2430 Bruce Helin (1977 VC)" (2016-10-11 last obs.). Jet Propulsion Laboratory. Retrieved 3 July 2017.
  2. ^
    ISBN 978-3-540-00238-3
    .
  3. ^ a b c "LCDB Data for (2430) Bruce Helin". Asteroid Lightcurve Database (LCDB). Retrieved 2 May 2016.
  4. ^ a b "Asteroid 2430 Bruce Helin – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
  5. ^
    doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153
    )
  6. ^
    doi:10.1088/2041-8205/759/1/L8
    . Retrieved 2 May 2016.
  7. ^
    doi:10.1088/0004-6256/150/3/75
    . Retrieved 2 May 2016.
  8. ^
    doi:10.1051/0004-6361/201321993
    . Retrieved 2 May 2016.
  9. ^ a b "2430 Bruce Helin (1977 VC)". Minor Planet Center. Retrieved 2 May 2016.
  10. ISBN 978-3-540-29925-7
    .
  11. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 2 May 2016.

External links

Retrieved from "https://en.wikipedia.org/w/index.php?title=2430_Bruce_Helin&oldid=1195678208"