Billowen

06135, 1970 GL, 1970GL, 1981 AA2, 1981AA2, 1985 DE1, 1985DE1, 1987 VL, 1987VL, 1990 RD9, 1990RD9, 1991 VZ3, 1991VZ3, J70G00L, J81A02A, J85D01E, J87V00L, J90R09D, J91V03Z

All data for this body: [vot]

MPC data
Name (number) Billowen (6135)
a 2.42868
e 0.12740
i / sin(i) 11.3187 / 0.19627
q 2.11928
Q 2.73808
ω 270.6947
Node 291.4511
m 176.5971
n 0.2604
Epoch 2460800.5
nobs 4336
nopp 30
Years observed 1960-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.430
ep 0.157
sin(ip) 0.216
G 0.150
H 13.100
Mass
D 11.30 0.380
pV 0.094 0.0166
Value
Rotational Period 28.460
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4303 0.1569 0.2159 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.04 3.270 3.270 Masiero 2021PSJ.....2..162M NEATM
10.97 0.420 0.420 Masiero 2012ApJ...759L...8M NEATM
12.98 0.990 0.990 Usui 2011PASJ...63.1117U NEATM
13.38 2.680 2.680 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0270 0.0270 Ali-Lagoa 2018A&A...612A..85A NEATM
0.102 0.0480 0.0920 Masiero 2021PSJ.....2..162M NEATM
0.111 0.0220 0.0220 Masiero 2012ApJ...759L...8M 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
13.10 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
28.463 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
28.4743 2 Synodic Pal 2020ApJS..247...26P Lightcurve
28.483 2 Synodic Waszczak 2015AJ....150...75W Lightcurve