Barrau

2001 TW221, 2001TW221, 2005 QL28, 2005QL28, H7866, K01TM1W, K05Q28L

All data for this body: [vot]

MPC data
Name (number) Barrau (177866)
a 2.77612
e 0.02609
i / sin(i) 3.5475 / 0.06188
q 2.70370
Q 2.84854
ω 345.8996
Node 289.7299
m 145.2252
n 0.2131
Epoch 2460800.5
nobs 456
nopp 17
Years observed 2000-2024
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Hoffmeister (1726)
 
ap 2.775
ep 0.047
sin(ip) 0.081
G 0.150
H 16.300
Mass
D 3.78 0.780
pV 0.049 0.0301
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1726 Hoffmeister 0 Hoffmeister Novakovic 2019EPSC...13.1671N HCM
1726 Hoffmeister 519 Hoffmeister -0.3700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7753 0.0474 0.0814 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.78 0.780 0.780 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0301 0.0301 Masiero 2011ApJ...741...68M 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
16.30 MPC-2023-12-04 MPC-2023-12-04 Phot