1987 BW1

1987BW1, 18330, 1987 CK, 1987CK, 1996 TR8, 1996TR8, 1998 FH126, 1998FH126, J87B01W, J87C00K, J96T08R, J98FC6H

All data for this body: [vot]

MPC data
Name (number) 1987 BW1 (18330)
a 2.31185
e 0.15447
i / sin(i) 3.9946 / 0.06966
q 1.95474
Q 2.66896
ω 212.2283
Node 243.1781
m 346.0248
n 0.2804
Epoch 2460800.5
nobs 2138
nopp 21
Years observed 1987-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.312
ep 0.177
sin(ip) 0.083
G 0.150
H 15.100
Mass
D 2.23 0.558
pV 0.225 0.0970
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3116 0.1774 0.0826 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.23 0.558 0.558 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.225 0.0970 0.0970 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
15.10 MPC-2023-12-04 MPC-2023-12-04 Phot