Brouwer

01746, 1940 WE, 1940WE, 1947 QA, 1947QA, 1963 RF, 1963RF, J40W00E, J47Q00A, J63R00F

All data for this body: [vot]

MPC data
Name (number) Brouwer (1746)
a 3.95372
e 0.20853
i / sin(i) 8.3624 / 0.14544
q 3.12926
Q 4.77818
ω 48.0274
Node 321.8701
m 282.7251
n 0.1254
Epoch 2460800.5
nobs 6055
nopp 40
Years observed 1940-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Hilda (153)
 
ap 3.963
ep 0.141
sin(ip) 0.161
G 0.150
H 9.970
Mass
D 62.48 0.434
pV 0.047 0.0055
Value
Rotational Period 19.720
Period quality 3
Spectral Class D
Spectral Class Score 40.300
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
153 Hilda 1 Hilda Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9631 0.1405 0.1610 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
55.68 11.140 11.140 Ali-Lagoa 2018A&A...612A..85A NEATM
61.50 1.800 1.800 Usui 2011PASJ...63.1117U NEATM
62.52 0.450 0.450 Grav 2012ApJ...744..197G NEATM
64.25 4.900 4.900 Tedesco 2002AJ....123.1056T STM
64.92 12.980 12.980 Ali-Lagoa 2018A&A...612A..85A NEATM
72.04 14.410 14.410 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.048 0.0100 0.0100 Grav 2012ApJ...744..197G NEATM
0.053 0.0210 0.0210 Ali-Lagoa 2018A&A...612A..85A NEATM
0.072 0.0290 0.0290 Ali-Lagoa 2018A&A...612A..85A NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.97 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.724 3 Synodic Warner 2020MPBu...47..123W Lightcurve
19.7255 2 Sidereal Hanus 2016A&A...586A.108H Model
19.7255 2 Sidereal Martikainen 2021A&A...649A..98M Model
19.763 3 Synodic Warner 2022MPBu...49..227W Lightcurve
19.8 2 Synodic Dahlgren 1998Icar..133..247D Lightcurve
19.88 2 Synodic Slyusarev LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Bus-DeMeo NIR Gartrelle 2021Icar..35414043G SPEC
D Bus-DeMeo VISNIR Gartrelle 2021Icar..36114349G PHOT
D 0.920000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
D 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC