2001 BW7

2001BW7, 1999 SY18, 1999SY18, 42121, J99S18Y, K01B07W

All data for this body: [vot]

MPC data
Name (number) 2001 BW7 (42121)
a 2.43825
e 0.12893
i / sin(i) 8.2540 / 0.14356
q 2.12389
Q 2.75260
ω 222.4428
Node 91.7700
m 143.8244
n 0.2589
Epoch 2460200.5
nobs 1668
nopp 20
Years observed 1998-2023
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.440
ep 0.098
sin(ip) 0.127
Value Standard error
G 0.150
H 15.350
Mass
D 2.48 0.492
pV 0.288 0.1166
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4398 0.0984 0.1267 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.48 0.492 0.492 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.288 0.1166 0.1166 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
15.35 MPC-2023-12-04 MPC-2023-12-04 Phot