1998 BH21

1998BH21, 2005 YD117, 2005YD117, J98B21H, K05YB7D, S5245

All data for this body: [vot]

MPC data
Name (number) 1998 BH21 (285245)
a 2.51785
e 0.16113
i / sin(i) 8.6075 / 0.14966
q 2.11216
Q 2.92354
ω 107.0401
Node 300.7689
m 205.1555
n 0.2467
Epoch 2460200.5
nobs 200
nopp 14
Years observed 1994-2023
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.520
ep 0.123
sin(ip) 0.167
Value Standard error
G 0.150
H 17.710
Mass
D 2.14 0.496
pV 0.029 0.0056
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5196 0.1229 0.1669 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.14 0.496 0.496 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.029 0.0056 0.0056 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
17.71 MPC-2023-12-04 MPC-2023-12-04 Phot