1609 Brenda

1609 Brenda
Discovery[1]
Discovered byE. L. Johnson
Discovery siteJohannesburg Obs.
Discovery date10 July 1951
Designations
(1609) Brenda
Named after
Brenda (discoverer's granddaughter)[2]
1951 NL · 1925 EA
1934 JB · 1947 WB
1950 HD · 1954 EP
1954 HE
main-belt · (middle)[3]
Gersuind
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc82.98 yr (30,310 days)
Aphelion3.2255 AU
Perihelion1.9432 AU
2.5844 AU
Eccentricity0.2481
4.15 yr (1,518 days)
309.08°
0° 14m 13.92s / day
Inclination18.628°
105.23°
229.14°
Physical characteristics
Dimensions26.27±6.75 km[4]
27.96±0.48 km[5]
29.59 km (derived)[3]
29.64±1.7 km (IRAS:6)[6]
19.46 h[7]
23±1 h[8]
0.1078 (derived)[3]
0.1147±0.014 (IRAS:6)[6]
0.13±0.05[4]
0.133±0.005[5]
S[3]
B–V = 0.860[1]
U–B = 0.390[1]
10.50[4] · 10.6[1] · 10.61[6][5] · 10.68[3][7]

1609 Brenda, provisional designation 1951 NL, is a stony asteroid from the central region of the asteroid belt, approximately 28 kilometers in diameter. It was discovered on 10 July 1951, by South African astronomer Ernest Johnson at the Johannesburg Observatory in South Africa, and named after his granddaughter, Brenda.[9]

  1. ^ a b c d e Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference Nugent-2015 was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference SIMPS was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Binzel-1987b was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference MPC-Brenda was invoked but never defined (see the help page).